DescriptionThe item is a professional and practical 4000W high power SCR electronic voltage regulator controller, which is mainly made of durable PCB board and electrionic components, and convenient to connect wire without solding. It is suitable for dimming, and temperature control.Features- Color: as shown in the pictures. - Material: durable PCB board and electronic components. - Dimensions: 85 * 55 * 38mm. - Working voltage: AC 220V. - Maximum power: 4000W (connected resistive load). - Voltage regulation range: 0V-220V. - Protection: anti-spike, surge, rc absorption (eoc). - Advanced circuit design, adopt driving resistive load ,0-220V precise adjustable without hysteresis. - Applicable for electric furnace, water heater, lamps, small motor, electric iron etc.