The Coast RL35R Voice Activated Headlamp features voice-recognition technology that allows full hands-free use of the light with spoken commands for power on/off, lighting output, beam shape, beam color, and other functions. It also has manual controls and the Coast Variable Light Control dial for even more precise adjustments. It provides up to 1,100 lm with a 613' beam at maximum power with a 2.5-hour runtime. The RL35R includes a silicone-lined strap made of non-slip mesh and a detachable, rechargeable battery pack that can be used as a power bank. It's IP54 water- and dust-resistant and comes with a lifetime warranty.