Description: Built-in battery, USB charging, IPX-6 grade waterproof. Completely get rid of wire bound. The tail of the built-in USB charging socket is a convenient access to the computer USB port charging treasure and other equipment for charging. Removable card buckle. Remove the buckle, can be used as flashlight. Small. Put into pocket, easy to carry. Instruction manual in English. Using German standard, six arrises light cup, make full use of every bit of the light source, make the illumination light effect more natural. Waterproof switch. Normal work in heavy rain environment. Loop switch in strong light, middle light, flashing, sos. Material: Aluminum alloy Mode: Strong light, Middle light, Flashing, SOS Working time: strong light 1.5H, middle light 6H Product size: 82*28*22mm Product weight: 120g Included: 1 x Bike LED Front Lamp 1 x Manual