structure: stylish appearance, no holes in the machine. It's compact and can be taken anywhere. The lower pressure level is 20PSI, which is perfect 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 spray uses a lithium battery, which can be used for 90 minutes after being fully for 40 minutes. This dual spray has a white switch, when you press the trigger and switch, it will start working and the air will be sprayed out. If you return to the trigger, the liquid will spray out and you can control the liquid freely. When you stop pressing the trigger, it stops working. Otherwise, there is an indicator light the air compressor to show the battery capacity. Please fully charge the machine before using the spray . 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 spray 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.