Due to different lighting effects and environments, display brightness settings, etc., the color of the actual item may be slightly different, please refer to the actual item. Regarding the size, please allow a difference of 1-3 cm due to manual measurement, thank you for your understanding! Warm Reminder: This model is equipped with current protection. If the battery power is too low it will automatically cut off the power to protect the battery from being too low and fail to charge. At this time charge it in time and you must use 3pcs 18650 batteries for power supply. (Note: Please use 3 pointed-head batteries flat-head batteries cannot be used) Features: Segmented current easy heat dissipation. Large lens large aperture wide range of illumination. Battery compartment input and output function can be used as a mobile power bank battery compartment with power display 4 LED indicator lights each LED with 25% power display. The headlight belt adds a non-slip belt which is non-slip and comfortable without pressure. Specification: Product model: XH100(9 cores) Switch type: Press the switch at the lamp head 3 modes: strong light weak light and flashing Lighting color: white light on the lamp holder red light on the rear of the battery compartment Waterproof rating: IPX5 (anti-drenching anti-splashing) Working voltage: ≥3.7V Product material: Aluminum alloy + ABS Charging method: micro USB charging support power output Zoom mode: Head telescopic zoom Surface treatment: wear-resistant anodizing Applicable battery: 3*18650 (optional) Product Net Weight: 298G Package Include: