... 40oC-+80oC 3.with transparent windows 4.100% QC 5.Water proof Performance indicators 1.Electronic CharacteristicCircuit ratting35V DC,10ma ... resistant, installation and connection convenience.Tightness is good moisture-proof, dust proof, waterproof, anti-oil, anti-corrosion and erosion of ... harmful gases proof.Low cost, high lifespan, membrane switches design and ...