Headlight:. Water-resistant; can be used in rainy conditions. The latest light-focusing technology. Visible range of 12-15m. 3 operation mode: Continuous, slow strobe, and fast strobe. Multi-functional: Use as a bike light, flashlight. Quick release bracket, easy to install. Long lasting: up to 150 hours with 4 x "AAA" batteries (batteries not included). Bulb: 5 super bright white LED, wide beam. Reflector: Aluminum. Taillight:. Water-resistant; can be used in rainy conditions. 7 Modes: 1 steady, 2 kinds of flashing, and 4 kinds of running. Quick release bracket, easy to install. Long lasting: Up to 150 hours operation with 2 x "AAA" batteries (batteries not included). . Package Contents. Waterproof 5 LED Bike Head Light. Waterproof 9 LED Bike Safety Taillight. Front Lamp Holder. Rear Lamp Holder!!!!!!!!!