Features: 1. British Welwyn Glass Resistance, The Working Temperature Is -55-350 2. American Potentiometer, Smooth Adjustment, Not Easy To Damage 100percent IC 3. State-Run Factory Resistance, High Precision, Wide Range Of Operating Temperature, Small Drift And Good Stability 4. High-Quality Capacitors Are Used, 5.With Good Parameter Consistency And High Reliability Description: 1. Model: MX341 2. Detection Input: Voltage 190-264V AC 3. Power Input: Voltage 170-220 Ac Three-Phase Three-Wire 4. Magnetic Field Output: Voltage 207V AC, Maximum Input 90V DC 5. Current: Continuous 4A, Non-Continuous 10A Within 10 Seconds 6. Pressure Regulation Accuracy: Less than 1percent RMS (Engine Speed Changes Within 4percent ) 7. Size: 15 x 13.5 x 2.5cm 8. Material: PCB 9.Color: Black Package Contents: 1 x Voltage Regulator Module 1 x English Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.