The LED SAMPLE UNIT dryer was designed especially for making samples or doing demonstrations for clients, architects & project developers. It is very small in size, and only has 1 LED lamp. Because of the small size very easy to carry. It comes with a separate battery pack and a cable plug in. Different voltages usages are possible from 110 to 220-240V. We recommend using the LED lamp approx. 2cm above the wood and move slowly across the finish. It will dry and cure all American Wood Oil – LED Oils & LED Lacquers