2 PCS Nail Dryer Mini LED Flashlight UV Lamp Portable For Nail Gel Fast Dryer(Silver) Item Type:Nail Dryer Commodity Quality Certification:3C Material:metal Type:LED Lamps Feature 1:Nails Care Protect Eyes Feature 2:Cure Gels Quick Feature 3:Easy To Carry Battery: :3x 1.5v AAA (not included) 1. Product model: 9LED UV 2. Material: aluminum alloy 3. Surface treatment: ordinary oxidation 4. Dimensions: tube length 84mm, head diameter 24mm, tail diameter 24mm; 5. Color: black, red, silver, blue 6. Light source: 9 UV violet lights 7. Wave length: 395nm 8. Power: 3 AAA batteries are used as the driving power source 9. Switching mode: tail button switch 10. Product weight: about 30G 11. Lighting time: 6-8 hours 12. Working voltage: 3.7V Application areas: 1. Sterilization 2. Ink curing 3. Detection of metal cracks and cracks 4. Photocatalyst light source 5. Banknote counterfeiting equipment 6. Anti-counterfeiting industry 7. Measurement and biometric safety testing 8. Hydraulic leak detection. 9. Take the amber, catch the donkey and check the tickets. 10. QQ nails and so on. Technical features: The 1.5mm violet light is made of glass-encapsulated, nickel-plated alloy casing, which further improves the luminous efficiency of the violet light, reduces the attenuation of the violet light, and prolongs the service life. 2. High luminous intensity. 3. The quality is stable and reliable.