Features:-It has a clear, easy to read LCD display that shows the air pressure mode and power level. There are 3 pressure levels (22psi, 28psi, and 38psi).-Simply press the switch to start, move the trigger back and the liquid will automatically spray out, once you release the trigger the spray gun will stop the spraying process.-Equipped with a built-in 950 mAh battery and comes with a USB charging cable, it supports 2A fast charging technology, shortening the charging time via a DC 5V-2A charger. After fully charged, the working time is 30-40 minutes. Please make sure it is fully charged before use.-Very suitable for art painting, craft making, model making, temporary tattoos, cake decoration, etc.-Due to its compact size, it can be easily carried with you.