CYCLE Bike Headlight Descriptions Features: - Smart and fast charging: bike headlight can be charged with USB cable (included), simply connect our bike light to USB port via USB cable, automatic power-off when fully charged - Loud bike horn: headlight with 140dB horn, can be heard from a very far distance. Notifying all traffic on your way to move aside - 5 horn sounds: the horn has 5 sounds, press the button for 5 seconds to switch, warn the passerby to keep the safety on the road - CREE T6 highlight beads: 350 lumens bright lighting, the lighting distance is 150m, 2000mAh li-ion battery (included), the lifespan is 100000 hours - 4 lighting modes: high, slow, quick flash and slow flash lighting, flexible touchable switch design, gently press the button to change the mode, with the line control - Running time: 350 lumens high brightness: about 3.2hrs, 180 lumens low brightness: about 6hrs, 180 lumens quick flash brightness: about 4hrs, 360 lumens slow flash brightness: about 5hrs - IPX5 waterpoof: with the touchable switch design, not easy to be permeated by water, can be used on a rainy day - Easy to install and safety night riding: with the silicone bracket, easy and convenient to install and remove Specification Dimensions and Weight Product weight: 0.1200 kg Package weight: 0.1620 kg Product Size(L x W x H): 10.00 x 4.00 x 6.00 cm / 3.94 x 1.57 x 2.36 inches Package Size(L x W x H): 10.50 x 10.00 x 5.50 cm / 4.13 x 3.94 x 2.17 inches Package Contents Package Contents: 1 x Bike Taillight (Battery Included), 1 x USB Cable, 1 x Bracket