Product Name: 5000W AC Voltage Regulator Dimensions: L84.8 x W70 x H40mm, excluding protruding knobs and joints Maximum Power: 5000W (resistive instantaneous load limit), long-term usage power should be reduced; recommended resistive load usage within 2200W at room temperature (key parameter, please note) Efficiency: Over 90% Adjustable Voltage: AC 0-220V (adjustable from high to low down to 0V; from low to high starts at approximately 20V) Important: Always connect the load before adjusting the voltage Thyristor designed primarily for resistive loads (such as electric heating wires, incandescent lamps); compatible with most single-phase AC motors, but performance not guaranteed For other load types, buyer must verify compatibility Operating Voltage: AC 220V PCB Type: High Temperature FR-4 Color: Silver Material: Metal Package Contents: 1 x SCR Voltage Regulator (no additional items included) Note: Lighting conditions and display settings may cause slight color variations between the product image and actual item. Measurement tolerance: +/- 1-3cm