Customized Capacitive Touch Switch PMMA Panel Control For Coded Lock

Capacitive Touch Panel Switch PMMA Panel Control for Coded Lock ​​ Environmental Storage Temperature: -40°C (-40°F) to +70°C (158°F). Storage Altitude: Sea level to 35,000 feet. Operating Temperature and Altitude: -30°C (-30°F) to +75°C (170°F). Can be designed to operate in most environments. Humidity: No delamination after 24 hours at 80°C and 90%RH. Overlay/panel Material: PET (polyethylene terephthalate), PC (polycarbonate), PMMA (polymethyl methacrylate), etc. Material