1000 Lumens 
Recharchable Lithium battery 7.4V/4400mAh
3 Modes: 100% Brightness - 4hrs 50% Brightness - 8hrs Flash - 8hrs
Charge time: 3-3.5 hours
Over charging protection circuit
Aluminium body
Tool free bracket 
Low battery indicator: Green - 100-75%, Blue - 75-50%, Yellow - 50-25%, Red - 25-5% and Flashing Red - 5%
Charging indicator 
Press and hold switch for 2 seconds to turn on or off.