This is an HL-521 High Power LED Headlamp (often sold under brands like Herlee or unbranded as a tactical/military Coyote Brown headlamp). It is a lightweight, hands-free light designed for camping, hiking, fishing, and outdoor night work.

Key Specifications

* Lighting Modes. Features 4 distinct settings including high white light, low white light, steady red light, and flashing red light.
* Light Output. Equipped with dual white and red LEDs producing roughly 120 to 160 lumens.
* Power Source. Runs on 3 AAA batteries housed in the rear compartment connected via a coiled power cord