Bike Tail Light, Laser Tail Light, Ground Warning Line, Red High Intensity LED Laser Bicycle Rear Light for Road Mountain Cycling Safety - Easy Installation

Easy to Use: Comes with an adjustable clamp, easy to install, which suitable for diameter 20-31mm tube, fits most bikes. It also can be installed in virtually any bike frame, wheelchair, stroller, fork, after the fork, backpack, helmet use., 7 Light Modes Options: Steady light - Slow light - Quick light - Slow cyclic flash - Quick cyclic flash - Up to down flash - Down to up flash. The ultra bright taillight light design remind someone else to keep their distance to ensure your safety., Durable & Portable: The bicycle safety warning light made of ABS + acrylic, which is durable, compact in size and lightweight, easy to carry, ultra-bright to keep you safe, it is a great gift for your bicycle., IPX4 Water Resistance: 100% brand new and high quality, the bicycle back rear light meets IPX4 grade waterproof standard, tilt 15 degrees raindrops waterproof. Safer in water fog when riding in the rain., Multifunctional Bike Safety Light: The bike tail lamp was built to improve the security of night riding and the entertainment of cycling. Suitable for the bike, mountain bicycles, road bikes, folding car, jogging, walking, road emergency, camping.