Features: *Adjustable Speed: The DC motor speed controller allows you to adjust the speed of your 12V-48V motor, providing you with flexibility in controlling your desired speed. *Waterproof and Anti-leakage: The speed controller is designed with a waterproof and anti-leakage enclosure, ensuring its reliability and durability even in harsh conditions. *Increased Safety: With a built-in switch on the potentiometer, this speed controller offers convenience and safety in operation, allowing you to easily turn off the motor when needed. *Fine Workmanship: Crafted with meticulous attention to detail, this speed controller exhibits excellent workmanship, guaranteeing its high performance in regulating motor speed. *Long-lasting Durability: Made with high-quality materials and components, this speed controller is built to last, providing you with long-term and reliable performance. Specifications: *Product Name:Speed controller *Material:-Plastic *Size:88x59mm *Color:Grey Package Content: 1x Speed controller Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.