Features： 1、All light chips use advanced technology, 365nm, 405nm/UVLED dual light source, faster curing gel nail polish. 2、Lightweight and portable, USB port and USB cable (no adapter), easy to carry, gel polishing dryer can save your space. 3、Not only choice for manicurists, but also gift for Mother's Day, Christmas and wedding anniversary, can enjoy salon experience at home . 4、Intelligent automatic sensor, gel nail light can be used with automatic sensor, hand in, the light is on, hands out your hands and turn off lights. 5、72W nail machine can shorten your nail time by 80%, saving your time and energy. Specification： Item Type: Nail Art Light Model: s2 pro Power Supply Mode: Usb Plug-In Power: 72W (Maximum Reachable) Optional Color: White, Pink Number of Light Chips: 30pcs Theoretical Light Life: 50000 Hours Light Source Band: 365nm, 405nm/UV LED Dual Light Source Timing: 30s 60s 99s Three-Speed Painless Intelligent Mode Photo Glue Types: Acrylic Glue, Hard Gel Extension, Led Glue, Ultraviolet Gel and Other Glues Size: Approx. 150 x 82 x 180mm/5.9 x 3.2 x 7.0in Suitable: Home, nail salon, etc. Material: ABS Instructions: 1. Connect power adapter or USB adapter to power source. 2. Button timing: press 30S timer switch, machine starts 30S, press 60S timer switch, machine starts 60S, press 99S timer switch, machine starts 99S. 3. Not use time setting button, put your hand in the machine, infrared sensor will start machine. Package List： 1 x Nail Light