1. Shell is made of Special PC/ ABS
2. 304# stainless steel armoured cord or weather proof PVC coiled Cord
3. Pierce-proof and Hi-Fi transmitter and receiver.
Outdoor telephone keypad with big buttons
1x4 zinc alloy metal keypad
4x4 matrix vandal proof fuel dispenser keypad
Vandal proof industrial telephone keypad
RS485 16 keys industrial weatherproof metal LED backlight keypad