[2x4+2x6 LIGHTING MODES]The front and rear lights of the bike both include spotlights and floodlights. The front lights 2x4 modes:high brightness,medium brightness,low brightness,strobe(Interval flash). The taillight 2x6 modes:high brightness,medium brightness,low brightness,warn flash,slow flash,fast flash. Both the front and rear lights are equipped with dual switches,and the bike spotlights and floodlights are controlled separately,which can also be turned on simultaneously..[USB FAST CHARGING]Bike headlights have a built-in 1100mAH lithium battery,which takes only 2.5 hours to charge. The rear lights have a built-in 350mAH lithium battery,which only takes 1.5 hours to charge,and can run for up to 4 hours in high brightness mode. The package is equipped with a dual-use Type-C charging cable,you can charge it through devices such as a computer, mobile power supply, car charger, and home power supply..[IP65 WATERPROOF RATING]Bike lights front and back are made of plastic shell,which is sturdy and durable. The USB port and key cover are made of waterproof and dustproof silicone material. The drop-resistant height of 10 feets, deep waterproof,drop-proof and shock-proof,in line with IP65 waterproof standard. Suitable for a variety of terrains and harsh conditions..[STRONG PRACTICALITY]The bike lights design is exquisite and compact, which is convenient for installation and transportation. You can put it in your backpack or pocket anytime and anywhere, without occupying your storage space.This bike light set is ideal for cycling, hiking, camping, or where visibility and are a concern. Also, it can be used on backpacks, strollers, and other locations..[EASY TO INSTALL AND REMOVE]The bottom design of the bike lights is a 45° rotating mounting base, and is equipped with mounting straps with multiple mounting holes, suitable for bicycles of different sizes. You can choose the horizontal or vertical installation method according to your needs. After your trip, you can easily rotate 45° to remove it, completely avoiding the risk of theft.