Feature:1. Using a red light source, bees are not sensitive to red light, and can check bees, beekeeping, and fetch honey without disturbing bees.2. Retractable zoom, adjust the size of the aperture, adjust the low beam and high beams, headlight can be adjusted up and down 90 degrees to expand visual range.3. With adjustable buckle, the light belt can be adjusted according to the size of the head, which is convenient for wearing comfortably.4. USB charging, after installing 18650 rechargeable battery (not including battery), it can be equipped with mobile phone charging head and mobile power supply for charging.5. It is made of high-quality aluminum alloy, anti-falling, pressure-resistant, anti-rust, used for night fishing, beekeeping, fish watching, bird watching, etc.Specification:Item Type: HeadlampMaterial: Aluminum AlloyWeight: Approx. 204g / 7.2ozBattery: 2 x 18650 Pointed Lithium Batteries (Battery Not Included)Charging Method: USB Cable Direct ChargeLamp Bead Type: T6Light Color: RedWorking Time: Fully Charged Work 20HBrightness: 2000LMRange: 100MFocusing Method: Telescopic FocusingGear Position: Strong-Weak-FlashService Life: 30000HWaterproof Rating: IP65Lamp Diameter: Approx. 3.8cm / 1.5inLamp Head Contract Length: Approx. 5.3cm / 2.1inLamp Head Extension Length: Approx. 6.5cm / 2.6inHow to Use:1. Install 2pcs 18650 pointed lithium batteries (not included)2. Click the button on the lamp head to adjust the gear, strong-weak-flashing3. Stretch zoom, adjust the aperture size, low beam, high beams4. The headlight can be adjusted up and down 90 degrees to expand the visual range5. USB charging, after installing 18650 rechargeable battery (without battery),