[ Adjustable pressure ] High stable : This spray has 3 types of air pressures (18PSI, 25PSI, and 30PSI), which can be adjusted to the pressure you need. The nozzle of this nozzle is only 0.3mm, which is very suitable for makeup, manicure, hairstyle, tattoos, handicrafts, cake decoration, etc [ Dual power function ] Press/close the button to start the machine, then continue to press the switch to adjust different air pressures, push the trigger backwards, spray gas, release and stop working, and end the spray to control the amount of paint and reduce waste. Note: All paint must be diluted [ USB charging ] You can use this nail spray almost anywhere. Rechargeable batteries can operate continuously for more than 60 minutes and support charging using USB sockets (such as power , laptops, and other USB chargers) (type-c). Note: It is recommended to use a 5V/1A or 5V/2A adapter. Exceeding 5V/2A will damage the battery All accessories include accessories for all cordless spray compressors [ High performance ] Our spray has been repeatedly tested and optimized for the production line. Its ergonomic design to improve handheld comfort, simple and practical operation, and easy to use. Compared with other products in the same category, you will also have a more comfortable experience in our spray set Colour:black Material:Metal Package Contents: 1 x Spray 1 x Handheld compressor 1 x 7cc metal cup 1 x 20cc plastic cup 1 x Charging cable (random colors, don't accept the specified color) 1 x English manual 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.