Main Features: Bike light adopt high quality LED with ultra brightne 8000lm. Easy to charge.Come with Large capacity battery and charger. Water-resistant,weather tight design ensures all conditions use. High brightne and energy saving highlight and can be used as an emergency flashlight, night light. Suitable for outdoor activities like camping, fishing, hiking, map reading, night fishing, night flying, sailing, caving and hunting. Specification: Material:Aluminium Alloy Size:44.5x36x39mm Option:2 Styles: Only Bike Light &Include Battery Pack Set Mode:4 modes:High/Mid/Weak/Strobe Beads:Dual T6 lamp beads Working Hour:2-8hours according to different using mode. Battery: 4pcs x18650 Pack,8800mAh Working voltage:8.4V Full Charing Time: 3hours Current: 2500MA Waterproof Level:IPX-7 Package Included: 1Pc x Bicycle Light 1Pc x Battery Pack(only for battery set option) 1Pc x Battery Charge(only for battery set option) 1Pc x Headlamp(only for battery set option) 1Pc x Retaining Ring Note: Please allow 1-3cm differences due to manual measurement. Due to the difference between different monitors,the picture may not reflect the actual color of the item.Thank you! No Retail Box,Packing Safely in Bubble Bag.