Advanced design: USB rechargeable light, each lamp has a built-in 650 mAh rechargeable lithium battery. Waterproof according to protection class IPX4: Protected against splash water from every direction. Four light modes: The headlights and the taillight have a one-touch switch with four different lighting modes, depending on your preference. 4 light modes: full and half brightness, fast and slow flashing light. EASY TO INSTALL: The silicone retention straps are designed with two openings that fit snugly around many seat posts, handlebars, booster seats, backpacks, helmets and stretches to keep the lights secure and tight. The flap can be easily opened and closed without tools. Multifunctional: This bicycle light set is versatile enough for cycling, hiking, camping or any outdoor activity. Can also be used as an emergency flashlight. Ideal when driving at night or in places where visibility and safety are important. Start your next adventure. - Who sells this bicycle light set. Only this product from (and Fulfilled by Amazon) guarantees the best quality with excellent customer service. We strive to guarantee you 100% satisfaction. Product This small yet bright LED bike light gives you and your family the protection you need whether cruising down a crowded paved road or enjoying the nature in the wilderness. Choose white for the front headlight or red for the rear taillight. 4 Light Mode Options and Discharge Time of Full-charging Head Light: 3.5hr (full brightness), 10hrs (half brightness), 10.5hrs (slow flashing), 10hrs (fast flashing) Tail Light: 2.5hr (full brightness), 9hrs (half brightness), 9.5hrs (slow flashing), 9hrs (fast flashing) How to Charge 1. Attach the micro USB cable to the Bike lights micro USB input port2. Insert the other end of the cable into either an AC adapter (not included) connected to a wall socket or an active computer USB port3. The LED indicator of front light will turn to be green when the front light is fully charged and the rear light has an orange hue when finished Package Contents 1 X Head light (white light) 1 X Tail light (red light) 2 X USB cables 4 X Silicone mounting Strap 1 X Instruction Manual