Product parameters: Material: plastic+cloth Colour: Black Dimensions: Headlight length 9*width 10*thickness 2.2cm, taillight length 7.1*width 11.7*thickness 1.7cm Power supply: USB charging Charging time: 5 hours Battery life: 2-5 hours Lighting mode: highlight mode + standard mode + strobe mode Package list: 1x lighting lamp, 1x USB charging cable Product Description:Super bright safety chest light. These LED chest lights for runners can be used as running lights, running lights, walking lights, etc. Morning or Night They all come and go back and forth in the past. The front design has 1 ultra bright and cool white LED, and the rear design has 8 red LEDs. The chest light has three modes (high beam, low beam, and strobe), and the red LED also indicates the remaining load. Improve its security. Adjustable elastic band keeps your hands free. Almost suitable for anyone. The size of the belt can be easily adjusted, and the elastic design makes it more comfortable to carry. USB charging. It comes with a USB cable, making it easy to charge from the power pack, computer, and any USB interface. A 1200mAh battery will run for up to 5 hours in normal operating mode at full load. IP65 waterproof. IP65 waterproof certification, safer in water mist. Very suitable for outdoor activities such as running, jogging, dog walking, hiking, etc.