Tips for beginners 1. Before each use, please charge the compressor for at least 1 hour, which can last for 45 minutes. If you find that the compressor does not spray air, please try to fully charge it first and then use it. The reason for not spraying air is usually that there is no electricity, and there is no indicator during charging. Please wait patiently. 2. Please clean the airbrush pen with sheath and deluent according to the cleaning instructions after each use, because the nozzle is usually blocked after the paint is dry and it is not easy to clean. 3.Don't worry when you encounter problems during use, please send us an email to ask for solutions. We will guide you in the email on how to solve the problem, or directly provide new parts for free. 4, package list:a.mini compressor b.airbrush spray gun c.English Instruction d.3 liquid cups 9ml,20ml,40ml e.plastic pigment dropper f.Small wrench g.nylon cleaning brush One Promise We will guide you to solve all the problems you encounter and be responsible for every product to the end. We also need your support, Thank you very much.SHPTDJTIC Portable Multi-function Airbrush Set: This airbrush kit with compressor can be placed in your backpack or pocket, it's light weight and easy for single-handed operation and carrying anywhere. SHPTDJTIC craft airbrush kit can be used for cake decorating, makeup, art painting, nail design, handicrafts, etc. SHPTDJTIC Finer Atomization Effect: 0.3mm Nozzle Pressure boost technology can strengthen the atomization function and help produce finer atomization effect so that the cordless airbrush kit could atomize aquiform skincare products of high viscosity and provide a better skincare effect. The makeup airbrush kit will action better in spraying control and makeup effect, gives you a better experience. SHPTDJTIC Longer Usable Time Low Battery Power Reminder: Please try to fully charge the compressor before first use. The portable airbrush kit can be used for 1 hour after fully charged, while other airbrushes can only be used for 30 minutes. The battery at the bottom is detachable, replaceable and rechargeable, which allows you to work continuously without interruption of power supply. SHPTDJTIC portable airbrush kit is equipped with removable 9ML metal reservoir and replaceable 20ML 40ML plastic liquid cup. Larger capacity can reduce your time to add fluid frequently which promises your continuous work. you can unscrew the original mini airbrush from the air compressor and then connect other brand airbrushes. SHPTDJTIC compact mini air compressor comes with a double-action airbrush. The airbrush trigger both controls the amount of air and paint, making your work more professional. You can press the power switch on the air compressor and then pull the trigger back to spray the properly diluted paint or pigment.