... 800-1200mAh Ni-MH batteryWork about 100000 hours. Light source (led) power: 0.06wThree states including, static light and close ... lamp string is light automaticallyWorking condition: -20°C ~ +70 °COptional LED color: white, blue, warm white, green, yellow, red, pink, ... as the flashing color and the led quantity, the length between the two led lights and extended wire, the battery parameters and etc ...