Specifications:Type: Headlamp/Bike Light.Bulb Type: XML T6 LED.Number of LEDs: 3.Lasting Lighting Hour:2-3hours.Material:aluminum alloy.Reflector:Aluminum Smooth/SMO Reflector.Battery:18650 lithium cell, 4400mA, Cable Length:67.5cm/26.57inch.Discharge Time:180 minutes (100% brightness).LED Colour: White.Input Voltage:8.4V-12V.Power Rating:10W.Intelligent circuit control, 4 Switch Modes: - 1 x CREE XM-L T6 LED.- 2 x CREE XM-L T6 LED.- 3 x CREE XM-L T6 LED.- Strobe.With LED indication for Power On, Charging, Full charge.Power Source: 1 x 8.4v 4400mAh Battery Pack.Working Time: 2 ~ 3 hours after full charging.Charging:- 100V ~ 240V Battery Charger. - Charging Note: You should charge the battery pack at least 2 hours for the first timeWith two different size of O type rubber sealing ring for installation:- Waterproof design. Support normal use in torrential rain.- The lamp support fixing on the bicycle with the rubber ring, working as a bicycle lamp.- Besides, comes with elastic rubber band sealing ring with the lamp, it can also working as a headlamp.Charger:Input:100-240V,50/60HZ, 0.35AMAX, Output:8.4V, 1A, Cable Length:140cm/55.11inch.Lamp Cable Length:26.57oz/67.5cm.Demension:5.9x5.9x7.0cm(L x W x H).What"s In The Box:1 x Super Bright 3 X CREE XM-L T6 3600Lm 4 Models White LED Bike Lamp Headlight.1 x 8.4v 4400mAh Battery pack.2 x Rubber rings for installation.1 x US plug charger.1 x Adjustable headband.ePathDirect After Service: 30 Days Money Back Guarantee, 12 Months Warranty!