Regular visual warning + bright turn signal: just turn on the right/left turn signals via the wireless remote, emergency lights and ground lane alert. Get drivers' attention at multiple blocks, securing your safety when riding in traffic. Note: The effective distance of the wireless remote control is 5 meters.Super Bright LED Bike Tail Light: This light combines a regular visual warning with a turn signal, providing a visual warning effect. Equipped with quality LED chips and a high volume rechargeable battery, this light is able to meet most of the visual warning needs desired while cycling.USB rechargeable and easy to install. Includes built-in 2200mAh high capacity battery, save money and replace battery time. Installation buckle design: very fixing after installation, suitable for mountain road, and easy to install.IPX4 Waterproof Level: IPX4 waterproof level can be used in light to medium rain at -4-140F - your best partner for outdoor cycling, always good for you.