Features1Multi-angle adjustment, up and down each 30 Degree tiltable angle, is more convenient to use. 2Real-time power displays 25, 50, 75, and 100 percent more convenient for riding. 3USB charging design for laptops, mobilepower, and charging plugs for power supplies. 4Equipped with an output port, it can be used as a power source for emergency use. 5IPX4 class waterproof, suitable for complex weather conditions, and easily resistant to rain. 6One main and four side lights are featured, and there are three adjustable light modes, near-light half-light, high-beam half-light, and two lights full-light. 7Chest lamp design, free-hand, are suitable for both teenagers and adults, and measure up to about 1.22m in circumference. 8Easy to wear, with reflective strips design that makes it safer to use at night. 9Multi-purpose running light, outdoor running night light, night fishing, night running, a nice helper for outdoor activities at night.SpecificationThis chest lamp is multi-angle adjustment design, up and down each 30 Degree tiltable angle, which is more convenient to use. Real-time power displays 25, 50, 75, and 100 percent more convenient for riding. USB charging design for laptops, mobilepower, and charging plugs for power supplies. Equipped with an output port, it can be used as a power source for emergency use. With three adjustable light modes, a nice helper for outdoor activities at night.Features:Multi-angle adjustment, up and down each 30 Degree tiltable angle, is more convenient to use.Real-time power displays 25, 50, 75, and 100 percent more convenient for riding.USB charging design for laptops, mobilepower, and charging plugs for power supplies.Equipped with an output port, it can be used as a power source for emergency use.IPX4 class waterproof, suitable for complex weather conditions, and easily resistant to rain.One main and four side lights are featured, and there are three adjustable light modes, near-light half-light, high-beam half-light, and two lights full-light.Chest lampdesigns, free-hand, are suitable for both teenagers and adults, and measure up to about 1.22m in circumference.Easy to wear, with reflective strips design that makes it safer to use at night.Multi-purpose running light, outdoor running night light, night fishing, night running, a nice helper for outdoor activities at night.Specifications:Name: Chest LampMaterial: PC+nylonBattery: 1 * 3.7V, 2000mAh battery (included)3 Modes: High, Middle, LowLuminance: 500lmWaterproof: IPX4Size: bust max 1.22M (48.03inch)Adjustable angle: up and down 30 DegreeItem size: 90 * 50 * 45mm / 3.54 * 1.97 * 1.77inPackage size: 155 * 110 * 65mm / 6.10 * 4.33 * 2.56inPackage weight: 250g / 8.82ouncePacking List:1 * Chest LampPackage List1 * Chest Lamp