Professional 50W UV LED Nail Lamp Double Light Source Nail Drying Machine Item Type: UV Led Nail Lamp Material: ABS Power: 50W Number of Lamp Beads: 30pcs Lamp Service Life: 50000 hours Light Source Band: 365nm, 405nm/UVLED dual light source Timing: 30S/60S/99S four-speed smart mode Suitable Nail Polish Types: Acrylic glue, nail extension gel, LED gel, UV gel and other nail gel Suitable for: Household, nail salon, etc. Use Steps: 1. Connect the adapter to the power socket. 2.After the machine is started, you can set the time by pressing the button to set the time of 30s/60s/99s. When the corresponding button is pressed, the LED screen will display the corresponding time. 3. Do not use the time setting button, put your hand into the machine, the infrared sensor will start the machine for a maximum working time of 120s.