Double Action Spray GunThis spray gun kit has an upgraded structure, which means its compressor and spray gun can be controlled separately. Press the on/off button to adjust the air compressor pressure level and pull the trigger to control paint flow. With the addition of an air valve and a 0.3mm nozzle, the spray gun can adjust the amount of paint during the painting process, and the paint is even and smooth without stopping.Portable and Easy to UseYou can control this integrated wireless spray gun with one hand. It's also lightweight and portable, so you can easily put it in your bag. The individual control function allows the gun kit to save battery power, all you have to do is release the trigger on the gun without turning off the compressor when working.GREAT MOTOR & 3 LEVELS PSIUpgraded powerful motor, this compressor has strong performance, 20/25/30 PSI 3-stage pressure during use, 0.3mm needle and nozzle combination can control the paint flow more accurately. Turn on the compressor, turn the knob on the bottom of the spray gun, adjust the airflow to the right way (no paint comes out, but pull the trigger to spray paint), then pull the trigger and start working!Large Capacity and Easy to ChargeWith about 1 hour of charging, this gun can be used for 50-70 minutes. The gun can be charged via a USB cable, which means you can charge it from 5V/1A chargers, laptops, and other appliances that have a USB slot. However, it doesn't support fast charging, so don't use a fast charger.Wide UseThis spray gun can spray a variety of paints, including watercolor paints, inks, or paints diluted into skim milk. The handheld design allows you to use it with one hand, making it ideal for beginners or professors. Can be used as makeup and oxygenator, painting tool, nail art kit, dessert decorating tool and more.