Jewelry Design & Repair. Digital Readout& Linear Scale. Welding & Soldering Tools. Rosin Heat Press Machine. DC Vibrator 12V/24V Micro Vibration Motor Speed Controller For Feeder Chair DIY. 12V/24V Micro Vibration Motor DC Brushless Speed Controller For Feeder Massager. This motor can be used in 3 kind of field. Vibration equipment: vibration feeding equipment, packing machine Massage equipment: massage bed, massage chair, medical bed, simulated earthquake, 5D dynamic cinema chair, game chair DIY using: vibration wake-up, tired driving vibration reminder and so on. With intelligent digital display controller, using double head eccentric block vibration principle, feel free to adjust speed. The motor using pure copper wire and precision bearing, and fine processing, ensure reliable quality and long lifetime. Brushless DC technology is adopted for high efficiency and energy saving. Compact size, saving space. How to choose a DC motor? Calculating the weight of raw materials, Choose suitable excitation force 2. Consider frequency need 3. Packing list 1PC DC brushless motor 1PC Governor (Speed controller). If you need any CNC parts or repairs, welcome to contact me, we will try our best to help you.