16 keys stainless steel USB interface weatherproof backlit keypad

16 keys compact format IP67 dynamic vandal proof Stainless Steel industrial keypad with industrial electronics controller shielded and protected via stainless steel housing, industrial metal dome PCB with gold-on-gold key switch technology with short stroke 0.45mm with excellent tactile feeling for stable and accurate data input, stainless steel key caps etched out via special professional way and filled with transparent epoxy for backlight out, with industrial backlight included(Red/blue/white/green optional),top stainless steel plate with welded studs and water-tigth gasket for easy mounting and tightening to enclosure or panel. Which is good for outdoor application with direct rain and very harsh environments with humidity, much dynamic water, oil, dirt, salt mist etc, no rust risk and anti-salt spray corrosion.

Actuator/keys: 16 keys, 1.50mm thickness super quality SUS304 brushed stainless steel flat key.
Key top style: Non-protuberant rectangular keys, laser engraved & etched legends & raised braille on keys are available
Key Size: 14.0mm x 14.0mm for normal keys, 14.0mm x 28.0mm for function keys
Key travel: 0.45mm
Actuation Force: 2.0N+/-0.1N for key 14.0mm x 14.0mm (pressure point) 4.0N+/-0.1N for key 14.0mm x 28.0mm (pressure point)
Switch life: more than 1 million of operations.
Front Plate: 1.5mm thickness super quality brushed stainless steel
Back Stainless steel housing: 1.0mm thickness super quality stainless steel

Supply Voltage: +5V DC +/-5%
Current Rating: appr. 150ma with backlight on
Lifespan > 5 years
Switch Contact Material: Gold-on-Gold key switch technology PCB.
Interface: PS2, USB, RS232, RS485 available
OS: All Windows, Linux, Unix, Mac OSX, Vxworks, Android, (U-cos--To be confirmed)