DES and Triple DES support
SAM card support            
Made of high Quality Stainless Steel keyboard

Communication interface: PS2 or USB

water-proof, dust-proof, pick-proof and vandalism-proof features
PS2 or USB Interface: MIN DIN 6 according to PS2

Waterproof, dustproof, shake-proof, pickproof, drill-proof,vandalism-proof

we can supply turn-key solution of the keypad, and customized order is highly appreciated!