Package includes:1 x UV Gel Nail FlashlightFeatures:100% brand new and high qualityUV 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 easilySpecifications:Light bulb: 9 LEDOperating voltage: 4.5VBattery: 3x 1.5v AAA (not included)Diameter: 1.02"Length: 3.54"4 colors for choose: Pink， Green，Milk White ，Yellow， BlueThe use of methods:First coating a layer kiss mixtureNext， light with LED nail Lamp for two minutesAgain， Coating color nail oil glue， light for two minutesSecond times， Coating color nail oil glue， light in two minutesAt last， coating glue to seal， light for three minutes， complete