Main features

  Highly antidestructive power  Force 160-180 grams nimble dial-up  Contact resistance<100 Ω  Service life≥ 2 million  Ambient temperature  -20~+50 °C  Relative humidity ≤95%  Atmospheric pressure 80~106kPa  Defend grade IP65~IP67

Main components

  Two-color injection molding button  Plastic button and framework  Natural sillcone electroconductive rubber  Epoxy resin gilding PCB

  Users choiceButton chrome-plasted colors polished or sandblasted chrome.  Zinc alloy – plasted of the framework’s colors  polished or sandblasted chrome Other usage keyboard is available besides using for telephone.