Features 1. Material: PC+ABS material, light and durable. 2. Lamp beads: The front lamp uses 2 LEDs, and the tail lamp uses 12 optical lens lamp beads to effectively keep the light transparent, bright and not dazzling. 3. . The USB interface is covered with waterproof and dustproof silica gel, which can better charge the bike light, thereby effectively extending its service life. 4. Installation method: without any tools, the lamp is easy to assemble and disassemble, easy to clamp, firmly fixed, and a variety of installation methods. It can be installed on the bike with straps, or hung on the tail bag and helmet. 5. Suitable for: various sizes of bike seatposts, handlebars, seat cushions, backpacks, helmets and pets. Specification Material: PC, ABS Color: Black Size: 4.7 x 2.8 x 2.9 cm Weight: 90 g Package Include: 1x LED Bike Light Set