Feature: 1. SAFE OPERATION: The voltage regulator is safe and insulated, and there will be no leakage when short circuit or thyristor burns. 2. GOOD COOLING: Aluminum alloy shell is corrosion resistant and not easy to be damaged, filled with tin to prevent heating under high current. 3. LED DISPLAY: The SCR voltage regulator adopts LED digital display, which is convenient to observe the data, clear and convenient. 4. APPLICABLE RANGE: The voltage regulation range is 20V-220V steplessly adjustable (under the premise of load), has a wide range of applications. 5. MULTIPLE USAGES: Can be used for electric stove, water heater, lamp, small motor, electric iron, etc., with strong practicability. Specification: Item Type: Voltage RegulatorMaterial: Aluminum AlloyInput Voltage: 220VACLoad Power: 4000WVoltage Regulation Range: 20V-220V stepless adjustable (with load)Rated Current: 9AMaximum Current: 18ASCR Model: BTA41-600B/800B. Package List: 1 x Voltage Regulator Note: The load must be connected before use