1, eco-friendly silicone material 2, logo, size, color are customized 3, high quality at reasonable price 4, fast delivery Portable & waterproof silicon keypad Features: 1. Material: Silicon, or with conductive rubber or metal dome. 2. Operation temperature: -30-80° C. 3. Storage temperature: - 40-100° C. 4. Contact resistance: <100Ω . 5. Stroke Voltage: 25-30KV/mm. 6. Expectation of Life: 500, ...