3Pcs 6 Key LED Matrix Membrane Switch Keyboard Control Board

3Pcs 6 Key LED Matrix Membrane Switch Keyboard Control Board Feature: Board Size: 100mm x 25mm Length: 13CM Circuit level: 3.5V DC, 100mA, 1W Standard sheet resistance: <1? Contact resistance: <1? Insulation resistance: 150M? 100V Dielectric withstanding voltage: 250V Rms (50-60Hz 1min) Contact Bounce: ? 3ms Storage temperature: +15'C - +35'C Storage humidity: 70% - 90% Test temperature: -10 ? - +70 ? 32H Test Humidity: 90% 32H Vibration: 20G's msx, (10-200Hz, MIL-STD-202, M204 Condition) Line thickness: ? 0.13mm Life: 500,000 times or more Package included: 3 x Keyboard Control Board