1. Material: ABS, metal 2. Wireless battery capacity: 1800mAh 3. Air flow: 35L/min 4. Output power: 120W 5. Rated voltage: 12V 6. Cylinder: 19 cylinders 7. Power supply: wired cigarette lighter to get power, wireless USB port for charging 8. Scope of application: cars, balls, bicycles, inflatable boats, motorcycles, etc. 9. Packing size: about 21x10x16 cm, the wireless USB charging cable is about 1m long, and the wired power cord is about 3.3m long 10. Weight: about 650 grams for wired models, about 720 grams for wireless models Features: 1. The valve is screwed on the valve, the tire pressure can be detected when the machine is powered on 2. Lightweight and portable, easy to use 3. All-metal cylinder, pure copper coil motor, inflating more stable and not hurting the car 4. Wear-resistant nylon braided inflatable tube, tough and durable, anti-freeze without breaking, explosion-proof and high-temperature resistance 5. 30S quick replenishment, convenient and fast 6. Intelligent chip protection, safe inflation without hurting the car, overload or short circuit automatic power-off protection packing list: -Wired models: host x1, air nozzle x3, manual x1 -Wireless model: host x1, air nozzle x3, manual x1, USB charging cable x1