The Observer Tools Headlamp, No. OBS-HL350, is designed for ease of use and comfort. The headlamp features variable light intensity with a side dial that allows users to select the exact light intensity they need as well as a top power button that can be used for 100 percent power, 50 percent power, and off. Additionally, the light has a motion sensor for handsfree use. Users just wave twice to turn the headlamp on and off. The motion sensor can be activated or deactivated with a single click. Other features include 450lm on high with a 500' beam distance; silicon strips and four hardhat clips; a rechargeable battery; and impact-, water-, and dust-resistance. The battery lasts for 3.5 hours at 450lm, six hours at 200lm, 12 hours at 100lm, and 20 hours at 60lm.