Feature: 1. Night Running Security: Equipped with a headlight and rear red warning light, for cycling at night, climbing mountains, or running in the dark. The reflective tape ensures security even if the lamp runs out of power. 2. Five Gear Power Display: Five power indicator lights (each representing 20percent power) provide real time updates on remaining battery life, ensuring you always know when to recharge. 3. Type C USB Charging: Fast charging and compatibility with various devices make this chest light convenient for all your nighttime activities. 4. IPX4 Resilience to Water: No need to worry about wind and rain. This chest light is designed to be as normally in rainy days, providing reliable protection in any weather. 5. Adjustable and Durable Design: Features a triangle reflective strap that won t fall off during running. The front light can be adjusted up to 45 degrees vertically for optimal illumination. Specification: Material: ABSSwitch: Press switchBattery: Built in 2000mAh batteryCharging Time Run Time: Charging time: 3 5H, Run time: 4 15HCharging Method: Type C USB chargingGear: Three gears: strong light weak light flashing (rear red light changes with the front light)Water Resilience: IPX4Luminous Flux Range: 400 500LM, 50 100 metersSize: Front: 3 Lamp: Approx.4.7 x 4.7 x 1.8cm 1.8 x 1.8 x 0.7in, 5 7 Lamp: Approx.4.6 x 4.6 x 1.8cm 1.8 x 1.8 x 0.7in, Rear: 10 x 5.4 x 1.7cm 3.9 x 2.1 x 0.7inWeight: Approx. 172g 6.1oz (3 Lamp), Approx. 174g 6.1oz (5 7 Lamp). Package List: 1 x Night Running Light 1 x USB Cable 1 x User Manual Note: