Product specifications: ABS material, 5 LED chip lamp beads, 3 gear positions (strong, medium, explosive flash), 2-3 hour duration, 125g weight (with packaging), 95g weight (naked), USB charging, built-in 18650 battery (1200mAh), headlamp available in gold and silver (with 14500 batteries and a usage time of 1-3 hours depending on gear position), flashlight lasts over 2 hours before requiring a break due to decreased heating power, unique light strip color, waterproof and shock-resistant design for maximum durability. Use instructions: 1. Minimize collisions and friction to preserve product lifespan. 2. Built-in rechargeable battery is waterproof and should not be exposed to water erosion. How to use: 1. Fully charge battery before first use for longer battery life. 2. Four lighting modes: low, medium, high, and SOS. Convenient USB charging compatible with most power supply products. Available
