Feature:1. 365nm UV LED: Uses 365nm UV LED light source, it has a power output of 3 watts, which make it become professional ultraviolet flashlight.2. Black UV Filter Lens: Equipped with hard toughened black filter optical lens, it can filter out external environment light, which makes the ultraviolet light more pure.3. Aluminum Alloy Shell: UV flashlight adopts aluminum alloy material, greatly enhancing its heat dissipation performance, making it more durable.4. USB Rechargeable: The flashlight supports USB charging, you can charge it from power bank, computer, car, or power adapter.5. Battery Powered: Built in 800mAh rechargeable battery, no need to replace the battery, energy saving and environmental protection.Specification:Item Type: Small UV FlashlightMaterial: Aluminum AlloyWeight: Approx. 44g / 1.6ozDiameter: 18mm / 0.7inLength: 80mm / 3.1inBattery: 14500 Lithium Battery 800mah (Included)Light Source: UV Wavelength: 365nmLight Mode: Steady OnCharging Port: USB Micro.Package List:1 x UV Flashlight1 x USB Cable