Features STYLISH APPEARANCE: This is a simple and easy to use DC motor speed controller with small size, stylish appearance and stable performance. This cruise control has a delicate and practical housing that is waterproof so you can use it outdoors Practical wiring: Comes with a screw terminal block and a label indicating the power and motor electrodes for convenient wiring. The input of the DC motor controller is connected to DC current, cannot be connected to AC current, otherwise it will be burned Long lifespan: Made with a high quality printed circuit board that ensures a longer service life The input voltage can be between 10V and 60V and the output voltage is between 0 and 100% of the input voltage. This speed controller is very convenient to adjust Make sure the positive and negative polarities are connected correctly, otherwise the controller will be damaged. Suitable for 12V motors with power below 120W, 24V motors with power below 240W, etc. Specification: Item Type: Wrist Corsages Material: ABS Weight: Approx. 25g/0.88oz Size: 18x10x5cm/7.09x3.94x1.97in Application: For wedding celebrations, parties, proms, outdoor events, wedding photography Package List:1 x Wrist Corsages Package List