Features:-Equipped with a rechargeable battery, it can be used continuously for more than 60 minutes when fully charged. It can be easily charged with a power bank, laptop or any USB charger (Type-C). With an indicator light to show the battery level. (Note: please use a 5V/1A or 5V/2A adapter to avoid damaging the battery.)-With 3 adjustable air pressure levels (23psi, 36psi and 48psi), it's easy to achieve the effect you want.-Great for model painting, graffiti, manicure, makeup, hairdressing, cake decoration, tattoo and more.-Equipped with a 0.3mm nozzle, it ensures high precision and fine work, allowing for intricate designs to be achieved without wasting excessive paint.-There are 3 different cup sizes (5cc, 20cc, and 40cc) to easily customize your .