The IP65 waterproof tail light emits an eye-catching wide-angle beam that ensures you're visible during nighttime riding,not worry about being knocked over by others.,Features:,20 lumen and IP65 waterproof offers superior nighttime visibility and convenience for you.,Built-in 500mAh rechargeable lithium battery,and it comes with a charging cable that charges from your computer,power bank or any device with a USB port.,Features an one-touch switch with 5 lighting modes,includes fast flash,slow flash,slow marquee,fast marquee and breathing flash mode.The bright red light can be seen 300m/984ft.,The light with clip design,and comes with silicone mounting strap and bracket.,Easy to install on the handlebars,seat posts,front forks,rear forks,backpacks,helmets,scooters or wheelchairs etc.,Specification:,Material: PC & Silicone,Battery: 1* 3.7v 500mAh 801350 rechargeable lithium polymer battery,Charging time: Around 2 hs,Brightness: 20 Lumen,Waterproof: IP 65,LED: 16 pcs,Use time: 10 h (Fast Flash Mode) , 70 h (Slow Flash Mode) , 15 h (Slow Marquee Mode) , 19 h (Fast Marquee Mode) , 10 h (Breathing Flash Mode),Size: 75 * 20 * 24 mm / 3.0 * 0.8 * 0.9 in,Strap length: 110 mm / 4.3 in,Weight: Approx. 24.8 g / 0.9 oz,1* Light,1* USB Cable,1* Silicone Mounting Strap,1* Bracket