IMPORTANT: Our keyboard is customizable, please contact us for specific layout and interface which you need. The lead time is about 8 working days. Type: Back panel mounting numeric keypad. Number of keys: 12 keys. Dimensions: (Please refer to the drawing pic) Front panel: 76.5*92 mm. GW: 0.4 KGS. Material: SUS304 stainless steel and aluminium alloy. Layout: Different languages are available. Lettering: Etching and inking, lettering by laser is optional. Key contact technology: Gold on gold (metal dome). Key travel: Approx. 0.45mm. Actuation force: 0.6- 1.2 N. Interface (connection): USB or PS2. Supply Voltage: +5V DC +/-5%. Operating temperature: 0℃ ～ +60℃. Storage temperature: -30℃ ～ +70℃. Relative humidity: 30%～90%. CE, FCC and RoHS Compliant. Lifespan: More than 10 million operations per key. OS support:DOS/Windows XP/WIN7/WIN8/WIN10, Andriod, Linux,Mac,etc. MTBF >50000H MTTR <30min
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