Features: 1) imported insulated bakelite panel and backseat 2) high quality tin-phosphor bronze sleeve, over 50, 000 times 3) contact point of switch is made of silver cadmium alloy, which has good electricity Conduction, with long life over 100, 000 times 4) indicator light for power on / off 5) thickness of copper: 0.7mm, with strong flexibility
