DOUBLE ACTION AIRBRUSH KIT:The airbrush set comes 3 tip sizes of jet needles and nozzles (0.3mm/0.5mm/0.8mm), 2cc/5cc/13cc paint cup. Equipped with 1/8-1/4 fast joint and 70.87 inches mesh air hose, spraying more convenient. 15-50 psi working pressure. AIR COMPRESSOR IS NOT INCLUDED. HANDY AND SIMPLE OPERATION: When using the airbrush , connecting all parts and fill fluid in the cup, just flipping the trigger to the effect you want. Adjusting screw on the tail of the airbrush can change the atomization size and set screw which is in front of the airbrush trigger can adjust the air outlet size. TROUBLE : If you find the airbrush can't or just flow back, please check the screw of airbrush 's needle, tightness of the pen pressure cap or the the of nozzle, nozzle cap and needle. Detail instrustion vedios are provided in detail page. MULTIFUNCTION AIRBRUSH SET: Whether it's a novice or a professional can easily use this airbrush kit. Ideal for painting, nail art, make up, body painting, cover design, cake decorating, tattoo, model coloring, craft hobbies, . All the airbrush fittings are storaged in a portable box, meeting your different needs. WARM TIPS OF AIRBRUSH: Please test the airbrush with clean water, make sure the atomization is normal before using with paints. After use, please clean it thoroughly to avoid residual paint blockage the airbrush. If the airbrush cannot water or liquid foundation, you can disassemble the tail of the airbrush and tighten the nut on the back. note:Different batches have different colors of accessory tubes, and specified colors are not accepted. Color: As Shown Material: Metal Package Contents: 1 x Airbrush Kit With Double Action Trigger Kit 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.