Features: Strong vibration motor: The product uses strong vibration motor, which can provide efficient, stable and durable power to meet the needs of users for strong vibration. Double head designs: The product adopts a double head designs, which can provide two vibration sources at the same time, increasing the flexibility of use and vibration ranges. DC12V power supply: The product is suitable for DC12V power supply, widely used in car, boats, motorcycles and other scenarios. High quality materials: Made from high quality materials that are durable and resistant to corrosion and can be used for a long time in a variety of environments. Adjustable power: The product is equipped with a power adjustment device, users can freely adjust the size and frequency of the power according to the need to meet the different needs of use, the product size is moderate, easy to install and fix, can be easily installed on the vehicle or other equipment to ensure stable operation. Specifications: Material: Metal Voltage: 12V Length: Approx. 24.5x31mm/0.96x1.22in Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Vibrating Motor