4x4 electronic controller keypad metal keyboard

main features

1.imorted stainless steel board and button

2.conductive rubber made of nature silicone

3.metal dome and metal button plate

4.Highly antidestructive power

5.epoxy resin gilding PCB                

technical parameters

1.Traveling Distance of key 0.45mm

2.contact resistance < 100Ω

3.service life ≥ 200 thousand

4.elasticity of key 2.5-3N

customer choice

1.button chrome-plated colors:polished or sandblasted chrome

2.other usage keypad is available besides using for telephone

3.access control,digital look system,cabinet security etc

package

1.packing:60pcs/ctn

2.carton demension: 370*330*120mm