Specification: Can be used to dry gel on nails, especially for nail gel and UV coats. Environmental protection, no harmful substances to human body. Fast curing UV lamp, widely used in UV curing, ink solidification, fluorescent agent or powder detection, security label identification and check, etc. Portable size, easy to carry. Item Name: UV Curing Lamp Material: Aluminum Voltage: 4.5V LED Quantity: 9Pcs Power Supply: 3 x AAA Batteries (Not Included) Features: Mini, Durable, Easy to Use, Portable, Detector Length: 9.1cm, Diameter: 2.2cm(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 UV Curing Lamp