Features: 100% brand new and high quality UV light is not easy to break and eco-friendly with no harmful substance to the human body. Short hardening time. An ordinary flashlight lamp beads arrived 9 lamp beads. 9 LEDs, low power consumption, ultra-bright, visible over a long distance. Can be used for setting nail polish and various kind of UV products, such as UV Top Coat / UV Builder Gel / etc. Can be used for both hands and feet. Light weight, compact and easy to carry. With the black strap, you can take with it anywhere easily Colour: Yellow,Green,SkyBlue, Light bulb: 9 LED Operating voltage: 4.5V Battery: 3x 1.5v AAA (not included) Diameter: 0.94"/2.4cm Length: 3.38"/8.6cm The use of methods: First coating a layer kiss mixture Next, light with LED nail Lamp for two minutes Again, Coating color nail oil glue, light for two minutes Second times, Coating color nail oil glue, light in two minutes At last, coating glue to seal, light for three minutes, complete Package includes: 1 x UV Gel Nail Flashlight (without retail package)