Keep stable pressure, even under low pressure. And it's unique and convenient with the function of auto start and stop. Can be widely used in makeup, art and model paint, cake decoration, temporary tattoos and so on. 1. Auto start and stop function 2. Pressure: 30PSI 3. Charging time: 1.5 hours 4. Continuously working: 40-60 minutes 5. Battery: 3.6V 1800mAh rechargeable battery 6. Nozzle: 0.3MM 7. Hose: 1/8inch 3ft. 8. Air flow: 6-8L/Min 9. USB charging Material: Metal colour: black Package Contents: 1 x Spray tools Kit(A) 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.