Feature:1. Environment protection design， light use of LEDs， unharmful substances to the human body. 2. Energy-saving， LED is a low-power device， low power consumption machine. 3. Do produce tempered heat. 4. Long life， the normal life is 35000-50000 hours. 5. Light weight and unbreakable. 6. Fast dry time， with the use of LED nail gel， the dry time is about 30-60 seconds. 7. two ways power supply: USB cable or AC power adapter8. Ideal for any home or professional salon， even a best gift for family，colleagues or girl friends. 9. Pocket size is amazing for constant travel. can be connect it to power bank， laptop usb & car usb ，etc..just enjoy nails salon in anywhere.10. Updated LED technology less harm for your hands and never need to change a bulb. 11. Work with gel nail polish， no brand requirements though Specification:1. Voltage: 100-240 V AC， 50/60 Hz 2. Rated power: 9 W 3. Size: 15 * 4 * 4.5 cm 4. Type: 3 LED lights 5.Time setting: 60 Sec6.Long life: more than 50000 hours 7.with an USB cable to connect laptop.Matters need attention: 1.Keep away the machine from the children ， it is professional LED Gel machine; 2.Don't stare to the light when the machine is on; 3.Don't try to touch the LED; 4.Don't operate the machine with the wet hand.Package included:1 X Nail lamp1 X USB cable1 X AC power adapter (EU/US Plug)Note: The adapter of this product has two sizes， EU Plug and US Plug.Size 1= US PlugSize 2= EU Plug，Please confirm which adapter do you need before ordering.