12V Portable Car Air Compressor 4000mAh Wireless Tyre Inflator bicycle pump Describe: 1. Wireless intelligent air pump, accurate detection of preset tire pressure: automatic stop when full, new era of black technology, ensure travel safety, and keep abreast of tire pressure status 2. All-metal movement alloy gear, firm upgrade life doubled, ball pure copper motor, speed up to 30000r/m motor with high fan, real-time heat dissipation is not easy to burn the machine, brand 5C power battery, capacity is not false standard, power supply is safe and stable, upgrade focus The energy ring battery, the three lithium batteries are not false, and the full charge can be used for continuous tires. 3. High-precision sensor chip, zero error in pressure measurement, timely understanding of tire pressure status, ensuring travel safety, when the mobile phone is out of power, it can be used as a temporary charging treasure, large-capacity 5C power battery, and USB rechargeable mobile phone 4. Mini and compact, easy to store: subvert the industry size, small enough to be carried in a pocket, 160*63mm mini portable size design wireless inflatable, easy to operate 5. Fast inflation: 4000 rpm, 390 pure copper motor for extremely fast gas supply, really feel the high-speed operation of the piston, provide surging gas volume all-metal body, vortex gear transmission, inflatable soon, etc., more professional inflatable device, inflate in seconds 6. Unique noise reduction structure, professional acoustic noise reduction: built-in special shock absorption cotton, good noise reduction performance, the structure frequency is as low as 40dB 7. Stop when full, no need to guard, just press it lightly, click to start the preset tire pressure, stop when full, LED lights, easy to pump at night, no need to panic in emergencies, worry-free pump at night 8. The spiral fan continues to cool down, the inflation does not get hot, and the double-sided heat dissipation holes spiral fan are carefully researched to improve the heat dissipation 9. 4-layer structure inflatable tube, anti-freeze, explosion-proof, wear-resistant, high-quality nylon braided inflatable tube, quality can stand the test Specification: - Material: plastic metal - Pressure: 150psi - Additional Features: Lighting Power Bank - Inflatable tube length: 0.4M - Cylinder size: 22 cylinders - Application: bicycle tires, motorcycle tires, car tires, balls, etc.