1. Membrane keypad
2. Customized
3. Superb technology in silk printing
4. 3M adhesive
5. Good performance in feedback

Electroluminescent BacklightingDigitally or screen printed overlayAluminum Backpanel Silver MembraneCopper Flex MembraneTactile & Non-TactileSilver or Copper FlexEmbedded LEDsFiber Optic BacklightingMembrane keyboard switch

Performance indicators:
1. Electronic characteristics
Circuit rating: 35V (DC), 100mA, 1W
Contact resistance: 10Ω --500Ω (According the trace length and materials to comfirm)
Insulation resistance: > 100MΩ 250V DC
Contact bounce: ≤ 5ms Dielectric withstand: 250VRms (50-60Hz 1min)
Life expectancy: Flat type ≥ 500 million times, tactile type: ≥ 100 million times
2. Mechanical Properties Actuation force: Flat type 57-284g (2-10 Oz), tactile type 170-397g (6-14 Oz) Switch stroke: Flat type 0.1-0.5mm, tactile type 0.6-1.5mm
3. Environmental parameters
Operating Temperature: -40 - +80, Storage temperature: -40 - +85
Humidity: 40, 90% -95%, 240 hours