Strong Light Long-Range Rechargeable Three-Head Lamp Outdoor Fishing Lamp Led Head-Mounted Flashlight (3T6 Without Battery) parameter: 1. Lamp bead model: CREE-T62 LED 2. Lens material: flat lens 3. Working gear: T6 lamp beads 3rd gear2LED 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, 2 auxiliary lamps on both sides, strong long-range shooting ability, wide irradiation range, long battery life 2. Angle adjustment: the head can be adjusted up and down according to its own needs, simple operation, easy to use, convenient for working lighting 3. Using aluminum alloy light cup, polishing technology, floodlight 4. Middle switch: rubber waterproof switch, soft material, light touch to change the lighting mode 5. Headlight belt: flexible light belt design, you can adjust the appropriate size according to your own head size 6. Red warning: the back of the battery compartment is designed with a red LED warning light, which can be used when going out. 7. DC charging hole: the rear charging hole, connect to the power supply can only charge quickly, prolong the battery life 8. Rear battery compartment: The rear rechargeable battery compartment is designed to install 1 or 2 18650 batteries, both of which can be used