Product name: Wireless air pumpOutput power: 60WPressure Range: 3-150PSIAccuracy: 1.5psiCylinder specification: 16 cylindersInflation flow: 17L/minOperating temperature: -20C~60CRated voltage: DC7.4 (V)Power supply: USB rechargeableCharging interface: Type-CBattery capacity: 2 x 2000mAh lithium batteries (total 4000mAh) - LCD screen displayContinuous working time: 5-20minLithium battery fully working time: about 30minCharging time: 3-5h (different environments, different charging times)Product net weight: 425gDimensions: 178 x 60 x 47mmApplicable: Cars/Motorcycles/Bicycles/Balls/Inflatable ToysFunction: inflatable / pressure measurement / lighting / automatic charging and stopping / five inflatable modes / power bank (wireless)color: Blackmaterial: plasticPackage Contents:1 x Car Air Compressor Pump1 x USB Cable4 x nozzlesOnly 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.