Product name: Wireless air pump Output power: 60W Pressure Range: 3-150PSI Accuracy: 1.5psi Cylinder specification: 16 cylinders Inflation flow: 17L/min Operating temperature: -20C~60C Rated voltage: DC7.4 (V) Power supply: USB rechargeable Charging interface: Type-C Battery capacity: 2 x 2000mAh lithium batteries (total 4000mAh) - LCD screen display Continuous working time: 5-20min Lithium battery fully working time: about 30min Charging time: 3-5h (different environments, different charging times) Product net weight: 425g Dimensions: 178 x 60 x 47mm Applicable: Cars/Motorcycles/Bicycles/Balls/Inflatable Toys Function: inflatable / pressure measurement / lighting / automatic charging and stopping / five inflatable modes / power bank (wireless) color: Black material: plastic Package Contents: 1 x Car Air Compressor Pump 1 x USB Cable 4 x nozzles 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.