Feature 1MAIN USE: The trowel is suitable for strengthening cement, removing bubbles in concrete, and providing you with the toughest cement. 2BATTERY PARAMETERS: 2 rechargeable lithium batteries 3.7VV 2000mAh(with). A fully charged battery can run for approximately 1.5 hours. Only takes about 1 hour to fully charge. 3STEPLESS VIBRATION DESIGN: The more vibration switches are pressed, the higher the vibration frequency of the cement trowel. The maximum vibration speed is 12000 r/min. 4EASY TO USE: The compact design of the vibrating trowel is an ideal choice for continuous use. 5MANGANESE STEEL BLADE: The scraper is made of premium manganese steel Material, corrosion resistant and rust proof, ensuring a long service life.Item Type: Concrete Flat Plate Trowel Material: ABS, Manganese SteelBattery: 3.7V polymer battery*2Battery Capacity: 2000mAh*2 (shipped with built in battery)Speed: 12000 r/min Package List:1*Vibration Machine 1*Cement Scraper 4*Screw 4*Nut 1*Manual