Fresh structure: stylish appearance, no holes in the machine. It's compact and can be taken anywhere. The lower pressure level is 20PSI, which is for people who use airbrush makeup. The higher 27 PSI is designed for use in airbrush painting areas: model painting, cake decorating, nail art, crafts, temporary tattoos, etc. The uses a lithium battery, which can be used for 90 minutes after being fully for 40 minutes. This dual has a white switch, when you the trigger and switch, it start working and the air be sprayed out. If you return to the trigger, the liquid out and you can control the liquid freely. When you stop pressing the trigger, it stops working. Otherwise, there is an indicator light below the air compressor to show the battery capacity. Please fully charge the machine before using the . Our airbrush set has a wide range of applications, including art painting, cake decorating, nail art, handicrafts, models, temporary tattoos, hobbies and more. With the multifunctional airbrush set and adjustable pressure device, you can get different decorations and paintings. Material: Metal colour: Package Contents: 1 x liquid extraction dropper 5 x cleaners 5 x cleaning needles 2 x capacity cups 1 x USB charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.