1. Wide Application: This speed controller adjusts speed, temperature, voltage, and light intensity. Compatible with EU standard plugs (220–240V), it is suitable for exhaust fans, incandescent bulbs, electric tools, angle grinders, marble machines, and blowers. 2. High-Accuracy Display: Features a precision-adjustment knob for accurate voltage regulation. A digital LED display shows real-time output voltage clearly. 3. Stepless Speed Control: Enables smooth, continuous speed adjustment without fixed gears—ideal for variable-load applications. 4. 10A Overload Protection: Built-in overload and short-circuit protection safeguards connected devices. Replaces traditional boat switches and fuses. 5. Durable ABS Housing: Constructed from high-quality, wear-resistant ABS plastic for long service life. Item Type: AC Motor Speed Controller Plug Specification: EU Plug (220–240V) Input Voltage: 220–240V AC Output Voltage: 0–220V AC Speed Control Mode: Stepless Speed Control Maximum Input Current: 10A Maximum Input Power: 4000W Note: This speed controller is not compatible with devices containing internal circuit boards, capacitors, or sensitive electronics—including bedside clip fans, miniature fans, small ceiling fans, LED lamps, microwave ovens, induction cookers, ovens, washing machines, rice cookers, aquarium pumps, or brushless synchronous motors. Plug Type: EU Plug — suitable for use in Indonesia, Germany, France, Spain, Italy, and other EU-standard countries. Voltage: AC 220V Color: Black Material: ABS Package Contents: 1 × Angle Grinder Speed Regulator