Feature:1. Mini Portable;2. Non-slip texture pattern. Specification:Body Material: Aluminum Alloy Product Color: BlackProduct Size: About 98x36x36mm Product Net Weight: About 80gLED: 21 LEDs Gear Position: 1. Gear: Strong Light Battery: 3xaaa Battery (Not Included) Battery: No Waterproof Rating: IPX4 Application Areas:1. Medical Equipment2. Disinfection and sterilization3. Ink curing4. Crack and crack detection of metal5. Photocatalyst light source,6. Money detector and money counting equipment,7. Anti-counterfeiting industry,8. Medical measurement and biometric security testing9. Hydraulic leak detection.10. Photograph amber, catch scorpions, check tickets.11. Manicure and so on. Note:Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Please allow 1-2cm measurement deviation due to manual measurement. 1 x Ultraviolet Light