Features:- Rear 18 lumens- 8 modes: High Beam, Low Beam, Flash x6 - various intensities and patterns - Alloy body- Side visibility for extra safety- USB Recharchable lithium polymer battery 3.7V/300mAh- Micro-USB cable- Charging indicator- Low battery indicator- Water resistant: IPX4- Charge time: 3 hours- Quick release tool free bracketRun Times:- 100% Brightness - 3hrs - 50% Brightness : 6hrs - Flash x6 - 4hrs + Easy to use:- Press power button to switch between modes- Press and hold the button to switch off- Low battery: red led when battery voltage is lower than 3.3V