Uctech Front Safety Light 1 LED Taillight - Waterproof Bike Headlight - 2 for 1 Deal - High Power LED Red Light Easy to install. Compact, convenient to carry. Strong brightness, a great accessory to ensure your safety when riding at night. Three Working Modes: Blink Fast, Blink Slow, Steady On. One-Touch Switch Design. Color: Black shell with red light. Up to 200 Meters. Suit for most bicycle. Waterproof Design. Batteries Included (CR2032); Battery Life - 50 Hrs on Steady, 150 Hrs on Flash.