Easily seen: super bright, so you can easily see at night|Static lighting high/low brightness or flashing lighting fast/slow 4 lighting modes switch, allowing you to be easily seen at nightPowerful and durable battery: 750mAh battery (3X larger than the entire market) | Fully charged can last for more than 12 hours | 0%-100% only needs 3 hours | The lamp is also equipped with an automatic cut-off circuit to prevent overcharging|Battery Strictly tested before putting in the lamp to ensure durabilityHigh-quality materials-waterproof: build the best quality materials to ensure that these lights can withstand extremely rough use, like surviving through multiple 12-foot drops and staying in muddy water for more than 12 hours, yes, we did test our lights Like thatEasy-to-use installation system | No tools required to mount and unload in 2 seconds | The mounting strap is used to install the bicycle light on objects with thick surfaces, such as handlebars, seatposts, seat risers, etc. Mounting clips are used to mount bicycle lights on objects with thin surfaces, such as backpacks, jackets, shoes, etc. 4 very useful lighting modes to ensure safetyJust press a button to switch to the correct mode you need. Switch between high/low brightness of static lighting or fast/slow speed of flashing lighting. Rechargeable, durable and long-lasting batteryIt is precisely designed to provide maximum power, and can easily last for more than 12 hours after being fully charged, and can be charged with any USB compatible socket (such as car charger, laptop, mobile power or wall socket, etc.).