LED Bicycle Lights Set, USB Rechargeable Super Bright 6 Light Mode Options Waterproof Bicycle Lights Set, Front and Rear Combinations Small for Mountain or Road Bike [Front Lights] The front lights use 2 LH351B LEDs, high power produces 200 lumens with 4 unique brightness levels (high, medium, low, strobe) and memory function. The operating time in low mode is up to 10 hours. You can click the button to change the mode as you like, long click about 1 second to power off. The front bicycle lights up to light the path in front of the bicycle. USB Rechargeable Battery: Save your money on batteries again and again. The front light has a built-in rechargeable 800mAh battery, the back 540mAh, it only takes an hour to fully charge. There is a hidden USB charging port on the side of the device, it can be connected to a computer and other USB port devices for fast charging, which makes charging easier and avoids unnecessary battery replacement forever. [Easy installation and removal] Easily snaps into place and stays securely in place. The USB rechargeable bicycle light requires no tools, the light head is easy to attach and remove, whether walking your dog, cycling, skateboarding, hiking, motorcycling, these ultra-bright safety lights will keep you safe. [Durable IPX5 Waterproof] Combined with advanced IPX5 waterproof and dustproof technology, it is suitable for all weather conditions. The USB interface is covered with a waterproof and dustproof silicone, so that the bicycle lights can be better charged, effectively extending its service life. [Tail Light] The rear light features 14 ultra-bright LEDs with 6 unique brightness levels (high/medium/low brightness, fast flash/medium/slow) and a memory function. The operating time in low mode is up to 12 hours. long click about 1 second to power off. The tail light through your LED bicycle tail lights to attract drivers from behind to provide you with 360 degree protection.