... -off on the socket , 100,000 hours LEDs LifetimeReliability: The high strength case , optimized structure design and MCU control make the ... hours continuous lighting.Battery usage lifetime about 1000 cycles.Display cap lamp number , time , battery capacity by 4 LED digital device (four ... , and the material of li-ion is environmental, use 1Watt high power LED as the main light, and 6pcs 5mm backup ...