Features1LED Bike LightBike front light is designed for brightness of 800 lumens, up to 500 ft illuminating distances, 95 Degree light angle and 4 lighting modes to choose, lights the road ahead; Bike tail light has 220 Degreeand 700ft visibility, also 4 lighting modes, alerts drivers to your presence so they know to give you enough space. 2Bike Computer and HornThis bicycle computer works well to measure and record speed, distance and riding time, which are what any serious bicyclist or fitness fanatic needs to know. Bicycle front light and horn 2 in 1 design. The bike horn can emit a warning sound up to 120 dB and there are 6 sounds to change. 3USB RechargeableNo more costs on batteries! The front bike light has a 2500mAh internal battery, which charges 2-3 hours through Micro USB port and uses 5-8 hours; The bike tail light also has an integrated 330mAh battery and a full charge takes about 1.5 hours only. 4Easy to InstallIt can be easily installed and released without any tools, and the angle of the bicycle light can be adjusted. It can also be used alone as a lamp. Use in running, jogging, hiking, camping, walking dogs, cycling, family at night, power outages, etc. 5Waterproof DesignThis bike front light is made of high quality ABS material, IPX65 rated, which means no need to release it if you get caught in the rain. The surface of piano paint technology, strong and durable. Also this rear light is IPX4 waterproof.SpecificationUltra Bright Beam: Powered by the latest LED technology with 350 lumens Ultra Bright output and up to 328 feet of beam length, lighting up your ahead road and alerting others of your presence! Instantly improve your riding security.Package List1 set Bicycle Light