Specifications: Made of aluminium alloy material, solid and wearproof. Daily life waterproof, more convenient for your usage. Consisting of 51 premium LED light beads, durable and long service life. This flashlight can detect things that contains a fluorescent agent and can detect the stain that cant be seen by natural light. Item Name: Flashlight Material: Aluminium Alloy Waterproof: IPX4 Battery: 3 x AA Batteries (Not Included) Light Source Type: UV Light Features: Portable, with Sling, UV Light, LED, Fluorescence Detection Bottom Diameter: 65mm/2.56" (Approx.) Top Diameter: 35mm/1.38" (Approx.) Height: 146mm/5.75" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Flashlight (Battery Not Included)