USB Rechargeable Bike Light Set LED Bicycle Light 650mah 4 Light Mode USB rechargeable light, built in 650mAh rechargeable lithium battery for each light. Water rated to IPX4 - Protected against splashing water from any angle. The Headlight and Taillight feature an one-touch with four different lighting modes depending on your preference. Include full brightness, half brightness, fast flashing and slow flashing. The silicone mount straps are designed with two openings that tightly fit around many size seat posts, handlebars, seat risers, backpacks, helmets and stretch to keep lights secure and firm. They can be easily loosen and fasten, and no tools are required. This bike light set is versatile enough for cycling, hiking, camping, or any outdoor activity and can be used as emergency flashlight. This is great for cycling at night or in places where visibility and are concern. So, just start your adventure with us. 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 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 Attach the micro USB cable to the Bike light's micro USB input port Insert the other end of the cable into either an AC adapter (not included ) connected to a wall socket or an active computer USB port 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 when finished Item Package DimensionsL x W x H5.5 x 4.5 x 1.7 inches Package Weight7.2 Ounces Item Weight7.8 Ounces Colorblack & red Package Contents 1 X light (white light) 1 X Tail light (red light) 2 X USB cables 2 X Silicone mounting Strap