1.Zinc alloy chrome-plasted button 2.Solid framework 3.Electroconductive rubber 4.PCB 5.Metal bottom plate

Main features:Highly antidestructive powerForce 160-180 gramsContact resistance<100 ΩService life≥ 500 thousand Main components: Zinc alloy chrome-plasted button Solid framework Electroconductive rubber PCB Metal bottom plate  Users choice: Button chrome-plasted colors: polished or sandblasted chrome Other usage keyboard is available besides using for telephone.

home safe Keypad