1. Super Bright 2000 Lumens & Wide CoverageThis bike light is equipped with 4 high-power 3535 LED chips, which can output 2000 lumens of high brightness. With the high-definition wide-angle lens, the field of view is increased to 1000 feet. 2. Aluminum Alloy Housing & IP65 DesignThe alloy lamp body is not only durable but also helps the LED to dissipate heat quickly, thus increasing this bicycle headlight life. The IP65 waterproof rating design allows it to be used normally in rainy days, ensuring riding . 3. 6+5 Light Modes Runtime Up to 36 HrsBike Headlight provides 6 light modes: strong light-Long press to turn on, high light-last 4 hours, medium light-last 6 hours, low light-last 12 hours, dim light-last 36 hours, strobe model-last 6 hours. The taillight provides 4 light modesand the highest light mode can be used continuously for 5 hours. 4. 3600mAh Battery + Power DisplayThis bicycle light has a built-in 3600mAh lithium battery and is equipped with an LED display to show the remaining battery power, making you feel more at ease when using it. 5. Quick Installation + Multi-FunctionEquipped with a quick-disassembly bracket, which can be quickly installed and removed. Because of this quick-disassembly design, this rechargeable bicycle light can also be used as an outdoor emergency light, camping light, and strong flashlight.