Feature: 1. 30s, 60S and 90S time setting, no hand pain during nail polish curing, easy to use. 2. USB interface, manicure anytime and anywhere, can be connected to USB power supply devices. 3. LED light chips to effectively filter black hand light waves, will not black hand. 4. 54W high power built-in 18 UV /LED double source light chips evenly distributed, reasonable drying effect, accurate to each finger. 5. Smart sensor and digital time display, automatically start once you put it in your hand, making it easier to use. Specification: Condition: 100% Brand New Item Type: Nail Gel Curing Light Material: ABS Light Chips: 18pcs Power: 54W Working Mode: 30s, 60s and 90s smart timing Type of Baking Glue: Nail polish glue, cat eye glue, phototherapy glue, etc. Power Supply: USB interface Wavelength: 365nm, 405nm Package List: 1 x Nail Gel Curing Light 1 x Manual