Product Parameters:Voltage: 110v / 60hzNo-load Speed: 5000r/MinProduct Size: 30*17cm (11.81*6.69inch)Fitting Rod Length: 1m (39.37inch)Vibrating Rod Diameter: 3.5cm (1.38inch)Package Weight: 2.90kg (6.39lb)Product Features:1. High-strength Aluminum Alloy Head ShellHigher Strength, Greater Load Capacity, and Durability2. Fast Heat Dissipation and Long-lasting UseOptimize the Air Outlet to Fully Dissipate Heat to Ensure That the Suction System Is Quickly Circulated3. the Ergonomic Handle Feels Comfortable to Hold4. Concrete VibratorStrong Sense of Vibration, More Durable, Good Vibration Effect, Not Easy to Break the Core, Suitable for Long-term Concrete Drilling5. One-key Start SwitchSimple and Convenient to Use, Quick Start-up and Strong Sense of Shock6. Wide Range of UseHouse Construction, Bridge Construction, Road Construction, Etc.Packing List:Machine + 1 Meter Vibrating Rod + Original Charger + Battery * 2Notes1.The thread is the reverse tooth and should be tightened in the reverse direction. The original direction can not be installed, so change the direction.2.After the vibration rod is installed and energized, the tip of the vibration rod can be generally knocked to the ground, and the vibration rod can be rammed after it sends out a smooth and powerful sound.