1. design, balanced the weight on the head, it is more comfortable to wear.The lamp head angle can be adjusted freely, easy to control the lighting angle. 2. Low power consumption and long life 3. design, it's more comfortable to wear, reducing the burden on the head.Charge interface with waterproof plug, improved the waterproof performance.Soft rubber switch feel good,it also playing a good waterproof effect. 4. Suitable for most indoor like working home maintenance and outdoor activities like camping,fishing, hunting,hiking,night flying, sailing,searching,patrol,caving etc. 5. Waterproof Rating&High Angle Adjustable: waterproof design, , it suitable for using complex outdoor environments. adjustable lamp head, its easy to control the lighting angle.