AS-14392 in 1 Nail Polish Dryer Features: 1. A perfect combination of UV ray and wind, which can be shifted with a touch on the button for different drying needs. 2. Comes with a press switch and a specially-designed finger plate. 3. Cute, fashionable and easy to carry. 4. Suitable for both finger nail and toe nail drying. 5. 3AAA batteries operated. How to install battery: Remove the battery cover, insert 3 AAA batteries and replace the cover.(Batteries not included) How to use: 1.Choose your desired function: a.Wind-drying mode: Push the switch to ?position to start wind-drying for regular nail polish. b.UV mode: Push the switch to ?position to start UV illumination for nail glue. 2.Gently touch the press-switch and the device will start to work. 3.Remove the fingers or toes from the press-switch and the device will auto-stop. How to clean: 1.Clean with a dry cloth or tissue. 2.The device is not water-proof. Dont wash it with water. Warning:1.Remove the batteries out of the device if you are not going to use it for more than 30 days. 2.Keep out of reach of children.3.DO NOT disassemble. Beauty Tips: Nail Care :1. To reduce damage, please dont use your nail as a tool.2. Keep the nails dry.3. Avoid contacting stimulating chemicals such as soap, organic solvent and so on. 4. Wear gloves when necessary. Eco-friendly Tips: Batteries contain substances harmful to our environment. Please do not throw them away with the normal household waste, but hand them in at an official collection point