The lightweight and design is perfect for use. Applicable to consolidate cement and remove air in the concrete to give you the toughest cement.12V 2000mAh. A fully battery can run for about 1.5 hours. It only takes about 1 hour to fully charge. With two batteries, you can use it for about 3 hours.The more you press the vibration switch, the greater the vibration frequency of the cement vibrating machine. The maximum vibration speed is 10,000VPM.Size: 13.7 X 8.2inch (350 X 209mm). The cast iron chassis is rust-proof, corrosion-resistant and has a long service life.This machine are widely used as tools for concrete vibrating,and it can be used for the surface vibrating work,various prefabricated concrete components. This tool is highly efficient and durable,250W output power, strong power, fast and stable. It resistant and comfortable,high-strength bending is not easy to .Voltage: 110vModel: ZB-5 0.25kw 110vPower: 250WFrequency: 3000 / minWeight:2.5 kgProduct Usage: Smoothing concrete, walls, etc.Plug Type:US Plug,it applies to Canada, ,Mexico, Thailand, the , the Philippines,Taiwan and so on.color:GreenMaterial:MetalPackage Contents:1 x Concrete VibratorsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.