... -resistant, dust-proof, gas-proof and scratch-resistant 6. Long life cycle. Electronic Characteristic<35V ( DC ) <100mA 1WLife Expectancyflat ... (2-10 Oz), tactile type 170-397g (6-14 Oz)Switch strokeflat type 0.1-0.5mm ... , tactile type 0.6-1.5mm Type of membrane keyboard switch: Connector ... of membrane switch is more than 100 million times. 6. Easy to operate, intuitive, safe and reliable, ...