Item Type: LED Chest Light Product Style: Classic USB Charging Material: ABS Plastic Product Color: As Pictures Shown Product Weight: Approx. 187g / 6.6oz Battery Capacity: 1800mAh Battery Type: Lithium Battery (built in) Charging Method: USB Charging Lighting Gear: High Brightness, Low Brightness, FlashingPackage List 1 x Chest Light1 x Data Line1 x English Manual Life grade waterproof, please do not soak in water for a long time. 1USB Rechargeable Design: USB charging interface design, open the rubber to see the USB interface. The rubber covering interface is dustproof and rainproof, so the service life is longer. 23 Lighting Modes: Three light modes, high brightness, low brightness, and burst flash, which is adjustable to meet your needs. There is a triangular red warning light on the back to protect your safety. 3Waterproof Chest Light: IP65 waterproof design makes the chest light very suitable for outdoor use. The hands free running light helps you walk or run in the dark more safely and clearly, providing you with all round protection. 4Perfect Running Light: This LED chest light is a perfect night running accessory, suitable for early morning or dark night. Made of high quality ABS material, it is very durable to use. 5Wide Application: Light in weight, the LED light will not add burden to sports when you wear it, it is very suitable for outdoor activities, night running, hiking, fishing, walking, etc.