1. 4 Gears Timing Function: Intelligent 4 gears timing, 10s, 30s, 60s, 99s, which is convenient for users to choose the time according to the type of gel polish. 2. Infrared Smart Sensor: More convenient to use, put your hand in the UV nail lamp lamp, infrared sensor starts, automatically turn on the light, considerate. 3. High Working Efficiency: 54pcs of light chips, UV LED dual light sources, evenly distributed at 180 degrees, no dead corner in baking gel. 4. High Quality Material: The shell is made of ABS plastic, anti impact, scratch resistant, wear resistant, firm and sturdy, durable for long term use. 5. Multiple Applicable Places: Simple and stylish appearance, beautiful and practical, can be used to dry various types of gel polish, suitable for home use and nail salon. Specification: Item Type: Nail Lamp Material: ABS Power: 160W Voltage: 100-240V Number of Light Chips: 54PCS Light Source Band: 365nm, 405nm / UV LED dual light source Timing: 10S, 30S, 60S, 99S 4 gears mode Size: Approx. Approx. 27 x 20.5 x 10.6cm / 10.6 x 8.1 x 4.2in Suitable for: Home use, nail salon, etc. Package List: 1 x Nail Lamp 1 Plug 1 x Manual Note: Please allow slight error due to manual measurement. Thanks for your understanding. How to use: 1. Connect the adapter. 2. After turning on the machine, the working time of the machine can be set through the timing button. 3. Commonly used timing buttons are 10S, 30S, 60S, 99S (99S button belongs to painless mode). 4. Without using the time setting button, put your hand in the machine, the infrared sensor will start automatically, and the maximum working time of the machine is 120s. 5. The display shows the corresponding timing time. When the 10S, 30S, 60S buttons are used for timing, the displayed time is countdown. When the 99S key and infrared sensor are used for timing, the display shows clockwise timing.