One Cree LED (300 Lumen)
Function: 25% Brightness(7hrs)-50% Brightness(3hrs)-100% Brightness(1.5hrs)-Flashing(7hrs)-Off
Press the button(1s=<t<2s)to turn on the light
Press the button(1s=<t<2s)to put off the light
Inclusive Micro-USB rechargeable cable
Green indicator under the button is on when charging and will be off when finishing
Battery indicator:>75%: 4 blue Led steady, >50%: 3 blue Led steady, >25%: 2 blue Ledsteady <25%: 1 blue Led steady <5%: 1 blue Led flashing
Charging indicator:<25%: 1 blue Led flashing, 25-50%. 2 blue Led chasing , 50-75%: 3 blueLed chasing, 75-100%: 4 blue Led chasing, 100%: 4 blue Led steady
Battery: lithium polymer battery 3.7V/550mAh