Specification: 【Product name】:wireless air pump 【Powered and Wired Version】:Provide two ways of power supply: battery and plug-in 【Powered Version】:Battery only available 【product material】: ABS 【Dimensions】: 82*45*160mm 【Battery capacity】: 2*2000mAh lithium batteries - LCD screen display 【Working voltage】: 7.4v/12v dual voltage 【Working current】: ≤6A 【Piston...