ITEM NAME:100LM Bicycle LED Rear Tail Light USB Bike Safety Lamp (Red+White Light) Product Description Description: 100LM Bicycle LED Rear Tail Light Portable USB Rechargeable Mountain MTB Bike Cycling Taillamp Safety Warning Flashlight Feature: 1. High brightness energy-saving LED lamp, high brightness up to 100lm, low power consumption, long life; 2. Adopt convenient USB intelligent charging interface, full charge and automatic power-off, so that you don't have to worry about the damage to the lights caused by overcharge; 3. High quality rechargeable lithium battery, charging takes only 1-2 hours, and can last for 5 hours; 4. Strong waterproof performance, it can be used as usual in rainy days, making it safer to ride in rainy days and nights. Specification: Item: 100lm bicycle tail light Main material: plastic + silica gel Lamp size: 80x20x15mm/3.15x0.79x0.59in Net weight: 35.5g Light color: Red + Blue Light/ Red + White light LED Lamp bead: 1xCOB LED Brightness: 100lm Waterproof grade: IPx4 5 gears: red light - blue light - red fast flash - red slow flash - red blue alternate flash (red + blue light) / red light - white light - red fast flash - red slow flash - red white alternate flash (red + white light) Battery: 500 MAH lithium polymer battery (included) Charging time: 1h Working time: 5h Charging mode: Micro USB charging Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow about 1-3mm measuring deviation due to manual measurement. Included: 1 x Bicycle LED Rear Tail Light.High brightness energy-saving LED lamp, high brightness up to 100lm, low power consumption, long life;. Item: 100lm bicycle tail light. Brightness: 100lm. 5 gears: red light - blue light - red fast flash - red slow flash - red blue alternate flash (red + blue light) / red light - white light - red fast flash - red slow flash - red white alternate flash (red + white light).