Color: BlackCharging method: USB interfaceProduct features: wireless remote control, waterproofInstallation type: handlebar mountBattery: 900mah[Super Bright Bike Tail Light] The bike tail light is equipped with 32 cob leds, with a brightness of up to 110 lumens, weighs only 45 grams and is 94mm in length. It is waterproof and rechargeable. The bike tail light provides an ultra-wide viewing angle of up to 150 degrees and a distance visibility of 492 feet to ensure your riding safety.[Multiple Lighting Modes]This road and mountain bike tail light with turn signal light provides 5 main lighting modes: left turn + high decibel speaker, right turn + high decibel speaker, red light always on, red light flashing, all lights flashing. It allows you to change different modes according to the occasion for the best protection.[USB Rechargeable Battery]The bike turn signal light adopts high-quality batteries with a long service life and can be recharged repeatedly. It can be fully charged in 3 hours and can provide 30-36 hours of riding time. For fast charging, you only need to connect the bike tail light to any USB device such as a power bank, car charger or AC power adapter.[Suitable for all bicycles]The bicycle flash light package includes: 1 tail light, 1 controller, 1 charging cable, 1 tail light rubber bracket, 1 controller rubber ring. Therefore, it can be easily installed in seconds without any other tools (see installation video), suitable for all types of bicycles, such as: road bikes, mountain bikes, hybrid bikes. The bicycle light can also be used as a helmet light, backpack light, pedal light and skateboard light.[Special Tips]After the bicycle tail light is fully charged, it needs to be matched with the wireless remote control to resume normal operation. The method is: press the tail light on/off button and the controller on/off button at the same time for about a few seconds so that they can match.ABS