ULTRA-BRIGHT BIKE HEADLIGHT TO KEEP YOU SAFE: Front light has 3 modes-High/Low/Flashing, torch light with bike clamp, Button switch. Special designed light beam produces powerful lumen and generates a brilliant floodlight for Large areas without wasting energy. EASY INSTALLATION-The Headlight is equipped with a mounting bracket that can be easily fixed to the handlebar. The silicone mount strap for Headlight and Taillight is designed with four openings that tightly fit around most size seat posts. Both Headlight and Taillight can be easily loosened and fasten, and no tools are required. TOUGH AND RELIABLE-IP65-rated water-resistant and designed for use in heavy rain and outside riding. Durable aluminum body,shock-resistance endure rough handling. Do not be afraid of the rough road!