STYLISH APPEARANCE: This is a simple and easy-to-use DC motor speed controller with small size, elegant appearance, and stable performance. It features a durable and practical case that is waterproof, making it suitable for outdoor use. CONVENIENT WIRING: Equipped with a screw terminal block and clear labeling for power and motor connections to ensure easy and correct wiring. The controller input is designed for DC current only and must not be connected to AC current to prevent damage. LONG LIFE: Built with a high-quality circuit board for reliable and long-lasting operation. VOLTAGE RANGE: Input voltage range is 10V to 60V DC. The output voltage is adjustable from 0 to 100% of the input voltage, allowing precise speed control. PROPER CONNECTION: Ensure correct polarity when connecting power and motor leads to avoid damaging the controller. Suitable for 12V motors with power under 120W and 24V motors with power under 240W.