[Features] Dual Bike Lights for Safety: Comes with front and rear lights to boost visibility at night, ensuring all - round visibility for safer rides. Easy Installation & Universal: FitTool - free, one - button install/remove. Fits various bikes for quick setup. Daily Waterproof & Durable: Waterproof design works in rain/harsh weather. Flexible and sturdy for long - term use. Multi - Mode Brightness: Multiple modes (high/medium/low white light, SOS, strobe) work day/night for rider safety. Type - C Charging & Battery Indicator: Type - C port enables charging while using. Red - green lights show battery (green: 100 - 20%; red: 20 - 10%). [Specifications] LED Type: LEM 5050 LED Product Size:4.3*2.3*2.7cm/ 1.69×0.91×1.06in Weight: About 21g Material:Aluminum Alloy+ABS LM: 260LM(max) Drop Test(type): 2 Color Temperature (K):1000-8500 lllumination Distance (M): 400(Max) Battery:Built-in 500mAhpolymer lithium battery Charging Method:USB TYPE-C Charging Gear Level:5 Gears Zoom Mode: Fixed Focus Waterproof Level: Daily Waterproof Charging Time(h): 2-3 Endurance Time (h):12h-Front Light/35h-Taillight