Product information: Power: 80W Scope of Application: car tires, basketball, bicycles, electric vehicles and other inflatable Material: ABS metal Additional functions: pressure measurement, mobile power supply, lighting lamp, warning light, SOS rescue lamp Specification: lithium battery, dual power supply Size: 90 * 156mm Voltage: 7.4V Size: 49*87 * 137mm Battery capacity: 2 2000mAh lithium batteries Product Power: 80W Operating voltage: DC 7.4V Work current: ≤ 7A Piston diameter: 19mm Maximum air pressure: 150psi Accuracy: ± 1.5psi Air volume: 35L / min LED light luminous flux; 20LM Noise: less than 85db Charging time: about 2-3 hours Usage time: 40min USB cable voltage: 5V Length of air hose: 200mm ± 10mm