Strong Light Long-Range Rechargeable Three-Head Lamp Outdoor Fishing Lamp LED Head-Mounted Flashlight (3T6 2 Batteries) parameter: 1. Lamp bead model: CREE-T62 LED 2. Lens material: flat lens 3. Working gear: T6 lamp beads 3rd gear, 2 LED 1st gear 4. Applicable battery: 2x18650 (optional) 5. Product material: aluminum alloy 6. Working voltage: 3.7V 7. Whether to adjust the focus: No 8. Product weight: 200g Features: 1. Lamp beads: CREE-T6 lamp beads with 2 auxiliary lamps on both sides, offering strong long-range capabilities, wide irradiation range, and extended battery life. 2. Angle adjustment: the head can be adjusted up and down based on personal preference, ensuring ease of use for working lighting. 3. Features aluminum alloy light cup with polishing technology for floodlight effects. 4. Middle switch: designed with a rubber waterproof switch made of soft material, allowing a light touch to change lighting modes. 5. Headlight belt: flexible design allows adjustment to fit various head sizes comfortably. 6. Red warning: a red LED warning light located at the back of the battery compartment for safety during outings. 7. DC charging hole: positioned at the rear for quick charging, enhancing battery life. 8. Rear battery compartment: designed to accommodate either 1 or 2 18650 rechargeable batteries, both options are compatible.