The Zoom Flashmer Headlamp provides a maximum output of 1,800 lumens, with three modes: high, low, and strobe. The telescoping zoom adjusts the beam width, and the head tilts up to 90°. A red indicator light is located on the rear of the housing. The side headband and top strap are adjustable. Two 3.7 V lithium-ion batteries are included, along with AC and USB charging options. The IPX4 rating protects against water splashes.