Features:Stable performance, strong power, long service time.The higher the voltage, the better the vibration, but it's easy to generate heat.Widely used in electric model, dust cleaner, electrical tool, home appliances, s , massage machine etc..Note: The side of red point is positive electrode.Specification:Model: R-370Material : MetalThread Size: M3Rated Voltage: DC 6VRated Speed: 6000RPMTotal Length: 46mm / 1.8 inchBody Size: 24.2x30mm / 1x1.2 inch (D*H)Vibrating Wheel Size: 10x8mm / 0.4x0.3 inch (D*H)Package Content:1 x Vibration Motor