UV Torch 51 LED

From the shop's description

This large UV flashlight with 51 UV LEDs allows you to cover a much larger area without losing the intensity of the UV light. We have conducted side-by-side tests with typical UV flashlights and we are on average 30% brighter than our competition.The flashlight emits a 395 nanometer wavelength light and is built with rugged, machined aluminum construction with a sleek design. The backlight flashlight allows you to detect urine and stains of dogs, cats and other pets on carpets, rugs, clothes, furniture, floors and much more.The product is both water and shock resistant.The flashlight uses 3AA batteries, which are not included. Specifications: Material: Aluminum Alloy LED Type: Ultra-Violet Wave Length: 395 nm Power Supply: 3* AA Battery Switch Type: push On/Off button Weight: 247g/ 8.7 oz Diameter: 55mm/2.2in Length: 147mm/5.8in LED number: 51 Check out the tutorial How To Solder Mask PCBs