【Improve Your Safety】The bike rear light emits an eye-catching wide-angle beam that can be seen from blocks away, as a warning tail light, signal light, navigational lights, help other riders, drivers, and walkers spot you, to improve visibility and safety in day time, the dark or at night. 【USB C Rechargeable & Powerful Rechargeable Battery】Built-in high-capacity rechargeable battery, powered by the most popular Type-C port, Simple and easy to operate. supports repeated charging and provide you with long-term continuous lighting time (Maximum brightness sustainable lighting for 8 hours). 【Easy to Installand Durable】4 Pack Rechargeable Bike Tail Light Only Takes Seconds to Mount Without the Need for Tools, Screws, and Accessories. Aside From Standard Bicycles, Lights Can Also Be Used on Scooters and Wheelchairs. The Heavy Duty Flexible Mount Fits Any Seatpost, Seatstay, Helmet, Saddle Bag, Backpack, Skateboard, Scooter, Wheelchair or Dog Collar. It Can Also Be Mounted Vertically or Horizontally. 【Multi-Mode Brightness】LED bike headlight has 4 different modes - Constant light, slow loop, strobe, fast loop. You can be easily seen in fog, dusk, night, and dawn. 【Package Includes】4 LED Bright Bike Rear Light with the Mounting Strap, USB Cable. Easy storage. Perfect for adults on Birthdays, Christmas, and many occasions. Let you and your bike more daz. Hilngav 4 Pack Bike Tail Light, Bicycle Rear Light USB-C Rechargeable LED Cycling Safety Flashlight with 4 Light Mode for Road Mountain Night Riding & Adults Men Women, Reflectors Accessories