1. Brightness:The bright headlight is a 3500 lumens headlamp flashlight. It has main lamp 4 modes: strong, medium, weak, flash; warning red light of battery compartment: strong, weak, flashing2. Portability:The head lamps can be rotated 90deg, firmly fixed to avoid shaking and sliding during operation. 3. Durability: This head flashlight have passed IPX4 waterproof text, so you don't have to worry about going out in the rain or headlighting falling. If you have any questions, please let us know at the first time, we will provide you with professional services. Add to your shopping cart now!