Specification Material: Nylon Style: Modern Color: Black Plug Type: Us Standard Assembly Required: Yes Adjustable Speed: 3 Gears No-load Speed: 2000/4000/6000rpm Battery Type: 2* 3ah Lithium Batteries Working Current: 16a No-load Current: 2.8a Motor Type: Brushless All Copper Motor Endurance: 55 Minutes Charging Time: About 3 Hours Voltage: 21v Orbital: 15mm/0.59in Sucking Disc Diameter: 12.5cm/4.92in Product Szie(L*H): 41*12cm/16.14*4.72in Gross Weight: 4.2kg/9.26lbs Package Size: 48*16.5*15.5cm/18.9*6.5*6.1in Package Included 1* Eccentric Polishing Machine 1* Allen Key 1* Handle 1* Charger 2* Batteries 3* Flat Sponge Discs 3* Wave Sponge Discs 2* Polishing Clothes.