... Temperature-40 degree~+85 degreeHumidity40 degree 90%~95% 240hoursSilicone membrane keypad Key specifications/Special features: Material……matte PC (smooth ... PC,PET and PVCThickness……0.05-1.0mmLED windows……transparent, translucent, matteEmbossed keys……..no embossed keys and domes, ... …….3M9448,3M9080,3M467,3M468,and no adhesiveTail…….tail with clear mask or green mask Beautiful appearance, rich ...