1.Key frame using special PC / ABS plastic 2.Keys use flame resistant ABS material with silver painting, seems like metal material. 3.Conductive rubber made of natural silicone,corrosion resistance, Aging resistance 4.Circuit board using double-sided PCB (customized), contacts Gold-finger use of gold process, the contact is more reliable
Vandal roof Grade
More than 2 million time per key
Key Travel Distance
It is mainly for access control system, industrial telephone, vending machine, security system and some other public facilities.