【Quality 365nm UV LED】 Uses high-quality 365nm UV LED as light source, up to amazing 5W power consumption and 1000mW luminous power, which make it become a professional black light for some professional use 【Adjustable Focus】Zoom allows you to change the beam pattern from a focused beam to a flood beam, the ability to arbitrarily adjust the light range allows you to choose between detecting fluorescent reaction phenomena over a larger range, or focusing on a small area to concentrate higher energy density for resin curing 【Quality Aluminum Alloy Shell】The body case uses high-quality aluminum alloy, which greatly enhanced its heat dissipation performance, this makes the black light more reliable and durable 【USB Rechargeable 】This UV light supports USB C(Type C) charging function, which makes your charging process more convenient. The package includes one high-capacity rechargeable battery, The high battery capacity supports the high-power and long-term output of the ultraviolet flashlight 【IPX5 waterproof level】You can use the blacklight in rainy days, no need to worry about it getting wet and can't work, but don't submerge it   Product name: Purple Light FlashlightModel: sv87 Function: Holding clip Lamp beads: uV LED lamp beadsBattery: high-power lithium batteryZoom: Telescopic zoom charging: uSB chargingwavelength: 365NM/395NMsize: 130* 26*23MM Material: Aluminum alloy waterproofing: Domestic waterproofingweight: approximately 103g (No in battery)