Auto Sensor Design - Use the auto-sensor, it would turn on or off automatically when you put hand/foot in or out.The light is similar to sunlight, covering the light waves required by UV phototherapy glue, extension glue and LED nail glue. It is a professional UV LED lamp that no need to change any bulbs!Why to buy our product1. Dry faster - You can make use of the LED light with 48 watts to dry your gel nails faster.2. Hand sensor - When detecting your hand in the nail lamp, it will start working automatically. 3. Protect eyes - The machine is curved and half-closed design, which will protect your eyes from harsh glare. 4. 3 Timer - You can set the uv light for gel nails timer at 30s, 60s, 99s to cure your gel nails.5. Powerful LEDs - The uv nail lamp is equipped with 24pcs LEDs, which are 365nm or 405nm in wavelength, it would help to uniformly cure gel nail polish and won't hurt your skin. How to use nail Lamps1. Please note that curing time vary based on gel polish brand. Our nail dryer is for all kinds of gel polishes and regular nail polish.2. For the best results, avoid moving your hand too much until curing is completed.SpecificationsPower: 48WSize:220*210*105mmWavelength: 365nm + 405nmlamp beads:24pcs UV LEDsIntelligent timing:30/60/99s(99s is painless mode)Life span:50000hColor:White,pink,blue,greenWeight:800g( approx)Package List1*Nail Lamp 1*Power adapter1*User Manual 1*Packing box