IC200GBI001-FF |
IC200GBI001-FF |
IC200GBI001-FF |
由於我司遵循為用戶著想為宗旨,堅持嚴謹的交貨期限,合理的價格,標準的產品質量,
妥善的售後服務,長期與廣大新老用戶進行真誠而有效的合作,體現出可靠的性能和與眾不同的優點,
受到廣大用戶和歡迎。
低價出貨 歡迎來電咨詢!
Johnson Controls 1/2" Water Valve - V46AB-1C
**NEW** JOHNSON CONTROLS V46AB-1C 1/2" WATER VALVE **FREE SHIPPING USA**
New Johnson Controls V46AB-1C Water Valve 1/2" NPT 70-260 PSIG (S48G)
NEW IN BOX JOHNSON CONTROLS V46AB-1 1/2" PENN WATER VALVE
JOHNSON PENN V46AB-1 PRESSURE ACTUATED WATER VALVE 1/2IN ALL RANGE 70838
JOHNSON CONTROLS PENN WATER VALVE V46AB-1, SIZE: 1/2", FACT. SET 105#, 150PSIG
JOHNSON CONTROLS V46AB-1 1/2IN NPT WATER REGULATING VALVE 70-260PSIG SIZE 81507
Johnson Controls V46AB-1 Pressure-Actuated Water-Regulating Valve New
JOHNSON CONTROLS V46AB-1C NSFP V46AB1C
NEW JOHNSON CONTROLS PENN V46AB-9510 NIB WATER VALVE 1/2"
From China
Parker A5LB2127AB6A46 Solenoid Valve Direct Acting 120V 60HZ ! NEW !
From Canada
NEW! Johnson Controls PENN V46AB Water Valve 1/2" NPT 70-260 PSIG (S48G)
NIB JOHNSON CONTROLS V46AD-1C WATER VALVE 1'' ALL RANGE 70/260 PSIG V46AD1C
Daikin Pump V38A 1RX-80 _ V38A 1RX-8O _ V38A1RX80 _ AB-26092 _ AB26092 _AB-26O92
JOHNSON CONTROLS V46AD-1 USPP V46AD1
JOHNSON CONTROLS V46AD-1 NSPP V46AD1
JOHNSON CONTROLS V46AD-1 NSFP V46AD1
JOHNSON CONTROLS V46AR-1 NSPP V46AR1
LITTELFUSE 523-5AB-1A-250V NSPP 5235AB1A250V
NEW 1PCS 6SY7010-0AB58 SIEMENS MODULE 6SY70100AB58
From Malaysia
NEW 1PCS WESTCODE MODULE 6SY7010-0AA52 6SY70100AA52
From Malaysia
NEW 1PCS WESTCODE MODULE 6SY7010-0AA54 6SY70100AA54
From Malaysia
NEW 1PCS WESTCODE MODULE 6SY7010-0AA40 6SY70100AA40
From Malaysia
NEW 1PCS WESTCODE MODULE 6SY7010-0AA41 6SY70100AA41
From Malaysia
1 Pcs 6SY7010-0AA54 WESTCODE MODULE
SIEMENS THYRISTOR MODULE 821A 3PH 380-460V 6SY7010-0AB02 NEW W/ COSMETIC DAMAGE
1 Pcs 6SY7010-0AA40 WESTCODE MODULE
1 Pcs 6SY7010-0AA41 WESTCODE POWER MODULE
1 Pcs 6SY7010-0AA52 WESTCODE POWER MODULE
CUTLER HAMMER 1755K-PMPP-1700 USPP 1755KPMPP1700
CUTLER HAMMER 1775K-PMPP1700 OPERATOR PANEL FOR PARTS
From Canada
PANELMATE CUTLER HAMMER POWER PRO 1785K PMPP 1700 1785K-PMPP-1700 1785KPMPP1700
Cutler-Hammer 1775K PMPP1700 PanelMate "Exchange"
From Germany
Siemens I-T-E Type ED6 Circuit Breaker, 100 AMP - 600 Volt AC / DC
CC LINK COMMUNICATIONS MODULE, MITSUBISHI FR-E5NC
MITSUBISHI FR-E5NC USPP FRE5NC
MITSUBISHI FR-A5NC USPP FRA5NC
SAJF// MITSUBISHI FR-A7NC-E KIT FREQROL E700 INVERTER NEW
From Korea, South
Mitsubishi FR-A5NC CC Link Communication Option NEW
C500-NC103-E Omron PLC Motion Module 3G2A5-NC103-E C500NC103E 3G2A5NC103E
GOULD / MODICON C489 REV D NC1 FR-0 DPC-5
Mitsubishi Freqrol-A200 FR-A240E-3.7K-UL 5HP Inverter FR-PUO2E-1 Parameter Unit
MITSUBISHI E500 INVERTER AC DRIVE CAT#FR-E540-3.7K-NA 5HP 9.5A 3PH 400Hz
Mitsubishi E500 FR-E540-3.7K-NA Inverter 5 HP Input 3 Ph
NIB Mitsubishi Devicenet Option for E540 FR-E5ND
MITSUBISHI INVERTER E700 FR-E720-050-NA FR720050NA INPUT 200-240V OUTPUT 5 AMP
PEPPERL+FUCHS KFA5-DWB-Ex1.D ISOLATED AMPLIFIER 188381
PEPPERL & FUCHS KFA6-SR2-EX1.W USPP KFA6SR2EX1W
PEPPERL & FUCHS KFA6-SR2-EX1.W.LB USPP KFA6SR2EX1WLB
PEPPERL & FUCHS KFD2-DWB-EX1.D USPP KFD2DWBEX1D
Pepperl +Fuchs KFA6 -SR2-EX1 Trennschaltverst?rker
From Germany
Pepperl + Fuchs Isolated Switch Amplifier KFA6-SR2-Ex1.W
Pepperl+Fuchs KFA6-SR2-Ex1.W.LB Trennschaltverst?rker
From Germany
Pepperl+Fuchs Trennschaltverst?rker KFA6-SR2-Ex1.W P.Nr.103374s NEU
From Germany
PV832 Pepperl Fuchs Drehzahlw?chter KFA6-DWB-1D 103466S
From Germany
1939 60 CARBURETOR KIT CARTER B&B 1 BARREL MOPAR 6 CYLINDER ENGINE NEW
FANUC A06B-0502-B202 | $7,175.00 | IN STOCK | NEW | A06B0502B202
FANUC A06B-0502-B065 | $5,375.00 | NEW | IN STOCK | A06B0502B065
FANUC A06B-0502-B074 USPP A06B0502B074
FANUC A06B-0502-B031 USPP A06B0502B031
FANUC A06B-0502-B002 USPP A06B0502B002
FANUC A06B-0502-B755 USPP A06B0502B755
FANUC A06B-0502-B204 USPP A06B0502B204
FANUC A06B-0502-B072 USPP A06B0502B072
FANUC A06B-0502-B531 USPP A06B0502B531
FANUC A06B-0502-B001 USPP A06B0502B001
FANUC A06B-0502-B202 #7000 SERVO MOTOR MODEL 20S USED
Fanuc Servo Motor A06B-0502-B072 #7000 w/ Encoder - Model 20S Used
Fanuc A06B-0502-B002#7000 Servo Motor Model 20S - 3 Phase
Fanuc CNC Servo Motor A06B-0502-B202#7000
FANUC A06B-0502-B232#7000 SERVO MOTOR Used
FANUC MOTOR A06B-0502-B201#0008 A06B-0502-B201 20 2000P BRAKE KEYWAY
GE FANUC MODEL 20S A06B-0502-B202 #7000 8 POLE 2000 RPM ELECTRIC MOTOR
GE FANUC A06B-0502-B002 #7000 AC SERVO MOTOR MODEL 20S 146 VOLTS 2000 RPM
A06B-0315-B205#7000 GE FANUC REMANUFACTURED
GE FANUC 20S A06B-0502-B067#7008 A06B-0502-B067 #7000 SERVO MOTOR
*NEW* Siemens 6ES7416-2XN05-0AB0 6ES7 416-2XN05-0AB0 S7-400 CPU 416-2 Controller
Siemens 6ES7416-2XN05-0AB0 6ES7 416-2XN05-0AB0 S7-400 CPU 416-2 Controller
Siemens Simatic 6ES7 416-2XN05-0AB0 6ES7416-2XN05-0AB0 NEU NEW
From Czech Republic
6ES7416-2XN05-0AB0 Neu / New 12 Monate Garantie / 12 Months Warranty
From Netherlands
Siemens Simatic 6ES7 416-2XN05-0AB0 6ES7416-2XN05-0AB0 NEU NEW
From Czech Republic
*NEW SEALED* Siemens 6ES7416-3FR05-0AB0 6ES7 416-3FR05-0AB0 CPU 416F-3 PN/DP
Siemens 6ES7 416-2XK02-0AB0 6ES7416-2XK02-0AB0 SIMATIC S7-400 CPU416-2 Processor
Siemens 6ES7416-1XJ02-0AB0 6ES7 416-1XJ02-0AB0 SIMATIC S7-400 CPU416-1 Processor
SIEMENS 6ES7 416-2XK02-0AB0 6ES7416 6ES74162XK020AB0 S7-400 CPU 416-2 PROCESSOR
From Singapore
Siemens 6ES7416-3ES06-0AB0 6ES74163ES060AB0 6ES7 416-3ES06-0AB0 416-3 PN/DP
((FACTORY SEALED)) CPU416-3 PN/DP, 16 MB, 3 INTERFACES
SIEMENS 6ES7416-2XK00-0AB0 SIMATIC S7 CPU CENTRAL UNIT 416-2DP 0.8MB 62975
*NEW* Siemens 6ES7414-2XK05-0AB0 6ES7 414-2XK05-0AB0 S7-400 CPU 414-2 Processor
Siemens 6ES7414-2XK05-0AB0 6ES7 414-2XK05-0AB0 S7-400 CPU 414-2 Processor MPI/DP
Siemens Simatic S7 6ES7 412-2XJ05-0AB0 6ES74122XJ050AB0
Siemens 6ES7 151-1AB05-0AB0, New, 6ES71511AB050AB0, Fast Shipping
From Sweden
Alcatel Matrix Hi-Cap 3AL78938AA For 1670 SM STM-16/64 Optical Multi-Service
Alcatel 3AL11014AAAA001 3AL 11014 AA AA 001
From Germany
OEM FORD HARLEY DAVIDSON SEAT COVERS, #AL3Z-1662900-AA OR AL3Z1662900AA
OEM FORD HARLEY DAVIDSON SEAT COVERS, #AL3Z-1662901-AA OR AL3Z1662901AA
Alcatel 3AL11012AAAB 3AL 11012 AA AB
From Germany
3AL34732AA Alcatel 1641 EQUIPMENT CONTROLLER SMEC
90 Day Warranty + Tons more Alcatel in stock 1660 1664
ALCATEL 3AL45416AA 3AL45416AA02
3AL34787AA Alcatel ADM CRU 0.37PPM 1641 card
90 Day Warranty + Tons more Alcatel in stock 1660 1664
3AL36294AA S-4.1 Tribitury Alcatel 1664 1641 SM Module
90 Day Warranty + Tons more Alcatel in stock
3AL34963AA Alcatel 1664 SM Power Supply 48/60V
90 Day Warranty + Tons more Alcatel in stock 3AW00421AA
ALCATEL 3AL45738AA 1631-SX TSI MO 3AL45738AA01
SICK Netzwerkcontroller CLX200-3031 CLX200 Barcode
From Germany
OHAUS SD Shipping Scale SD200 SD200L SD35 SD75 SD75L
VARIAN SD200 SD-200 DUAL STAGE ROTARY VANE MECHANICAL VACUUM PUMP
BLACK LEATHER CASE For Canon SD20, SD200,SD30,SD90,SD40
VBG260 Battery for PANASONIC HDC-SD SD100 SD200 SD20 SD10 TM300 TM200
From Hong Kong
PC200FF10 SEALEY FOAM FILTER FOR PC200, PC200SD, PC200SDAUTO, PC300SD, PC300SDAU
From United Kingdom
USB Cable for Canon SD10, SD20, SD30, SD40, SD100, SD110, SD200, SD300, SD330
TOSHIBA DVD PLAYER REMOTE for SD200X SD200XS SD300X SD310V SD400V SD1800 SDK510
From United Kingdom
Sick Barcodescan Netzwerkcontroller CLX200 CLX200-3041
From Germany
Ohaus SD-200 Economical Shipping Scale 440 x 0.2 lb
PROSOFT MVI46-MCM MVI46MCM
From Canada
New PLC MVI46-MCM for Prosoft
From China
PROSOFT MVI56-MCM MVI56MCM
From Canada
ProSoft MVI56-MCM Modbus Communication Interface for Allen Bradley ControlLogix
Prosoft MVI69-MCM MVI69MCM Modbus Master/Slave Module
FACTORY SEALED PROSOFT MVI69-MCM MVI69MCM , MFG 2012
FACTORY SEALED PROSOFT MVI71-MCM MVI71MCM
PROSOFT MVI69-MCM USPP MVI69MCM
Allen Bradley PROSOFT MVI56-MCM | MODBUS Module *NIBFS*
NEW - Allen Bradley PROSOFT MVI56-MCM - NIBFS
Prosoft Technology Modbus Master/Slave Module for Compact Logix MVI69-MCM
Complete with cables and software
From Canada
ProSoft Modbus Communication Module MVI71-MCM
From Canada
TURCK ELEKTRONIK PT10R-11-L13-H1131 NSFP PT10R11L13H1131
TURCK ELEKTRONIK PT010R-13-LU2-H1131 NSPP PT010R13LU2H1131
TURCK ELEKTRONIK PT200PSIG-13-L13-H1131 NSFP PT200PSIG13L13H1
TURCK PRESSURE TRANSDUCERS TYPE PT3000PSIG-13-L13-H1131 QUICK DISCONNECT ~ NEW
TURCK PT001R-13-LI3-H1131 H6831497 Druckschalter 0-1 bar 1/4 NPT #GR-133-10
From Germany
160GB HDD HARD DRIVE FOR TOSHIBA PORTEGE R700 PT310L-08X04H R700 PT310L-0EJ04H
From United Kingdom
160GB HDD HARD DRIVE FOR TOSHIBA PORTEGE R700 PT310L-08X04H R700 PT310L-0EJ04H
From United Kingdom
160GB HDD HARD DRIVE FOR TOSHIBA PORTEGE R700-13K R700-13L R700-14F R700-14H
From United Kingdom
160GB TOSHIBA SATELLITE L300D-13E L300D-13H L300D-13R L300D-13S HARD DRIVE HDD
From United Kingdom
160GB TOSHIBA SATELLITE L300D-13E L300D-13H L300D-13R L300D-13S HARD DRIVE HDD
From United Kingdom
INDRAMAT ECO DRIVE DKC02.3-040-7-FW FWA-ECODR3-SMT-02VRS-MS
From Germany
ECO DRIVE DKC02.3-040-7-FW FWA-ECODR3-SMT-02VRS
From Germany
REXROTH INDRAMAT ECODRIVE DKC02-3-040-7-FW+ECODR3-SMT-02VRS+BGR DKC02.3LK SCK02
From Germany
REXROTH INDRAMAT ECODRIVE DKC02-3-040-7-FW+ECODR3-SMT-01VRS+BGR DKC02.3LK SCK02
From Germany
INDRAMAT Eco Drive Controller DKC01.1-040-7-FW FWA-ECODRV-ASE-02VRS-MS
From Germany
INDRAMAT ECO DRIVE DKC03.3-040-7-FW+BGR DKC03.3LK PBK02+FWA-ECODR3-FGP-02VRS
From Germany
INDRAMAT ECO DRIVE DKC03.1-040-7-FW // FWA-ECODRV-PDP-03VRS-MS
From Germany
REXROTH INDRAMAT ECODRIVE DKC02-3-100-7-FW+ECODR3-SMT-02VRS+BGR DKC02.3LK SCK02
From Germany
REXROTH INDRAMAT ECODRIVE DKC03.3-040-7-FW+BGR DKC03.3LK PBK02+FWA-ECODR3-FGP
From Germany
Indramat ECO Drive Typ DKC01.3-040-7-FW inkl. Firmware Mod. FWA-ECODR3-SMT-02VRS
From Germany
INDRAMAT ECO DRIVE DKC02.3-040-7-FW FWA-ECODR3-SMT-02VRS-MS
From Germany
REXROTH INDRAMAT ECODRIVE DKC02-3-100-7-FW+ECODR3-SMT-02VRS+BGR DKC02.3LK SCK02
From Germany
ECO DRIVE DKC02.3-040-7-FW FWA-ECODR3-SMT-02VRS
From Germany
REXROTH INDRAMAT ECODRIVE DKC02-3-040-7-FW+ECODR3-SMT-02VRS+BGR DKC02.3LK SCK02
From Germany
REXROTH INDRAMAT ECODRIVE DKC02-3-040-7-FW+ECODR3-SMT-01VRS+BGR DKC02.3LK SCK02
From Germany
INDRAMAT Eco Drive Controller DKC01.1-040-7-FW FWA-ECODRV-ASE-02VRS-MS
From Germany
INDRAMAT DKC02.1-40-7-FW FWA-ECODRV-SSE-03VRS-MS
From Germany
INDRAMAT ECO DRIVE DKC03.3-040-7-FW+BGR DKC03.3LK PBK02+FWA-ECODR3-FGP-02VRS
From Germany
Indramat ECO Drive Typ DKC01.3-040-7-FW inkl. Firmware Mod. FWA-ECODR3-SMT-02VRS
From Germany
INDRAMAT ECODRIVE DKC01.1-040-7-FW FWA-ECODRV-ASE-02VRS-MS
From Germany
National Instruments Model: 182009-02 GPIB / X5 Cable
NATIONAL INSTRUMENTS 763061-01/02/03 REV C TYPE -X2 GPIB INTERFACE CABLES
From Israel
NATIONAL INSTRUMENTS 763061-02 TYPE-X2 GPIB CABLE 2M
National Instruments GPIB Cables 763507-02 REV 1, Type-X2, 2 meters
From Singapore
National Instruments Type X2 763061-02 REV C 2 Meter GPIB Cable P/N 12708
National Instruments Model: 763061-02 GPIB Cable. Type X2, Rev. C
NATIONAL INSTRUMENTS 763061-02 REV C TYPE -X2 IEEE-488 GPIB INTERFACE CABLE 2m
New National Instruments NI 763061-02 Type X2 GPIB Shielded Cable 2M 2 Meters
NATIONAL INSTRUMENTS TYPE-X2 GPIB Shielded Cable 763061-02 2.1 METERS LONG
National Instruments 0.5M Type X2 GPIB Cable 763061-005 763507B-R5
Shielded 2x GPIB 76306-02 Double-Shielded Cable, Shielded Plug-Receptacles 2 m
Krohn-Hite 3940 LP/HP/BP/BR Butterworth Bessel Dual Channel Filter
Bizerba LP 204 - II T Etikettendrucker Ex-gesch徂tzt mit EXTA-Tastatur #5084
From Germany
HP 8510C 20GHz Vector Network Analyzer w/8341A and 8515A, Complete and Working
Pairgain Avidia 3000 AV210 AV311 AV421 AV541LP System #5136
From Germany
JoeCo BlackBox BBR64-DANTE 64-track recorder, DANTE dig...
JoeCo BlackBox BBR64-MADI 64-track Recorder, MADI digit...
NEW JoeCo BBR1-B BlackBox 24-track standalone HD record...
24 track recorder up to 24bit/96kHz Conversion
JoeCO P1-A BlackBox 24-track Player-Recorder,ADAT optic...
Stand Alone Hard disc recorder
JoeCo BBR1-A BlackBox 24-track Recorder with Analog In...
24bit/96kHz Conversion
JoeCo BBR1-D BlackBox 24-track Recorder with Analog In...
AES/EBU digital and analog I/O 24bit/96kHz Conversion
NI National Instruments PXI-6071E I/O 64 Analog Input M...
National Instruments AT-MIO-64E-3 I/O Board 182625E-01 ...
Aviom 6416dio Pro64 Digital I/O Module (DB25)
Digidesign 192 Analog and Digital I/O Audio Interface f...
ADVANTECH PCI-1756 64-ch Isolated Digital I/O PCI Card
OPTO 22 SNAP-ENET-D64 SNAP Ethernet I/O Digital Brain
One-day shipping available
Advantech PCI-7432 64-CH Isolated Digital I/O card
DBX SC64 64 Channel I/O Digital Matrix Processor New
NI PXI-6514 64 channel Digital I/O Modul(32 Inputs, 32 ...
Expedited shipping available
Adlink Technology Isolated 64CH DI Digital Output Modul...
Used General Standards PCB-PCI64-HPDI32AL REV-C High-...
OPTO 22 SNAP-ENET-D64 SNAP Ethernet I/O Brain - Digital...
Adlink PCI-7432 64-CH Isolated Digital I/O card DAQ
Aviom 6416Y2 Pro64 A-Net I/O card for Yamaha Digital De...
One-day shipping available
Contec PI-64L(PC) Data Acquisition Card Digital I/O NO....
Expedited shipping available
Avid HD I/O 8x8x8 - 8 Analog I/O and 8 Digital I/O. Hdi...
DATA TRANSLATION DT2801 DT2801 PCB ANALOG AND DIGITAL I...
PRO TOOLS HD192 I/O RACK PANEL ANALOG AND DIGITAL I/O
Sony RM-D3K adapter, remote, and A/D I/O for TCD-D3 an...
Computer Boards Inc multifunction analog and digital I/...
Expedited shipping available
Ethernet controller with 24 digital and analog I/O
Computer Boards Inc. CIO-DAS1600/12 Analog and Digital ...
One-day shipping available
AJA Kona LHi - Multi-Format Analog and Digital I/O Capt...
Avid HD I/O 8x8x8 - 8 Analog I/O and 8 Digital I/O DEMO
National Instruments PC-AO-2DC ASSY182860E01 Analog Out...
Acces A1216E Rev D Analog and Digital I/O Card
IP temperature and humidity control, digital & analog I...
MEASUREMENT COMPUTING Computer CIO-AD08 Analog and Digi...
One-day shipping available
ACCES A1216E ISA BUS ANALOG AND DIGITAL I/O CARD REV D
Avid HD I/O 8x8x8 - 8 Analog I/O and 8 Digital I/O
Avid HD I/O 8x8x8 - 8 Analog I/O and 8 Digital I/O DEMO
Avid Digidesign I/O 192 Analog audio interface with an ...
Commodore 64 Keyboard Springs and Brown O, P, & I keys
Single parallel (EPP/ECP) port I/O card for 32/64-bit P...
Gigabyte GA-K8VM800M Socket 754 AMD Motherboard + Athlo...
Expedited shipping available
DENON DN-M991R Broadcast MiniDisc MD Player Recorder An...
Repair Manual Mercruiser Inboard and I-O 64-91 Seloc 32...
Google Chromebook Pixel 64GB SSD Wifi LTE Google I/O - ...
Enlarge
Google Chromebook Pixel 64GB WiFi/LTE - Google I/O Give...
Google Chromebook Pixel 64GB LTE -- BRAND NEW STRAIGHT ...
Google Chromebook Pixel 64GB LTE -- STRAIGHT FROM GOOGL...
Google Chromebook Pixel 64GB SSD, Wifi/LTE from Google ...
Google Chromebook Pixel 64GB/LTE from Google I/O 2013 -...
Google Chromebook Pixel 64GB LTE - Google I/O
BOBBY BUTLER 95 CARD LOT 11-12 UPPER DECK HOCKEY UD # 71 OTTAWA SENATORS 95 CT.
PETER FORSBERG 20 CARD LOT 05-06 UPPER DECK ICE UD # 71 FLYERS 20 ct. 2005-06
CT UD71 Unidrive Serial comm interface module NIB
From Hong Kong
CONTROL TECHNIQUES UD71 USPP UD71
CONTROL TECHNIQUES UD-71 275064 SERIAL COMMUNICATION INTERFACE MODULE ***XLNT***
NORDSON GFNB4B28-UD71XH-4G-B3 USPP GFNB4B28UD71XH4G
CONTROL TECHNIQUES UD-71 275675 SERIAL COMMUNICATION INTERFACE MODULE ***XLNT***
CONTROL TECHNIQUES UD-71 273236 SERIAL COMMUNICATION OPTION MODULE ***XLNT***
CONTROL TECHNIQUES UD-71 283353 SERIAL COMMUNICATION INTERFACE MODULE ***XLNT***
CONTROL TECHNIQUES UD-71 275687 SERIAL COMMUNICATION INTERFACE MODULE ***XLNT***
CONTROL TECHNIQUES UD-71 276741 SERIAL COMMUNICATION INTERFACE MODULE ***XLNT***
CONTROL TECHNIQUES UD-71 278836 SERIAL COMMUNICATION INTERFACE MODULE ***XLNT***
Control techniques Unidrive UD71 module, Excellent condition 6 months warranty