Come and Check Our Promo Solutions.Made of Aluminium. With 12 Engineered enhanced LED bulbs, our 395nm flashlight is 30% Brighter than other lights. The uv light uses 3 x AAA batteries(not included). Our black light is small and powerful. You can take it everywhere in your pocket which is so convenient if you need it. You will save a lot of time and money with our portable uv blacklight flashlight. Check whether the hotel Sheets and pillows are clean and so on. 3.7" x 1.13" Pls check inventory and detailed info with us before placing your orders.