| Model | D-8204E | 
| Size | 100*91.5mm (front panel) | 
| Number of Keys | 16 keys | 
| Material | stainless steel (front panel) and alumina alloy | 
| Key travel | 0.4mm | 
| key switch lifespan | more than 2 million operations | 
| Keyswitch technology | silicone switching | 
| Key graphics | laser-engraved legends & characters in a durable paint | 
| Mounting style | Panel mount | 
| Supply Voltage | +5V DC +/-5% | 
| Communication interface | Matrix,USB or PS2,RS232 (optional) | 
| Protection Level: | IP65(front panel) | 
| Operating temperature | -40 ~+70 | 
| Storage temperature | -40 ~ +80 | 
| Certificate | CE FCC RoHS Compliant | 
| OS support | DOS/Windows95/98/NT/ME/2000/2003/XP/Vista/7,8,10 Linux, Mac,etc | 
| MTBF | >20000H | 
| MTTR | <30min | 
| APPLICATION | Self-service kiosk, Industrial PC system, Medical & Food industry, CNC machine & Vending Machine. | 








