1. AVR Digital Era, SX440 Multi-Functional Digital Voltage Regulator, Life Has Been Inseparable From The Electricity, Ready To Standby For Your Life To Light Up The Luster 2. Glass Glaze Process 3. High Quality Terminals 4. High Quality Capacitor, Thyristor 5. Remote Intelligent Monitoring, Digitization, USB Port Connected To Computer, Real-Time Monitoring Model: SX440 Detection And Power Input: Voltage 190-264V AC Single-Phase Two-Wire Magnetic Field Output: Voltage 207AC, Maximum 90V DC When Input Current: Continuous 4A, Non-Continuous 10A Within 10 Seconds Pressure Regulation Accuracy: Less than ±1%RMS (Engine Speed Change Within 4%) System Requirements: Brushless Generator Within 500kw Different batches may have differences in product appearance, color, and printed characters, which not affect the use Colour:black-blue Material:PCB Size:15 x 13.8 x 3.8cm Package Contents: 1 x Voltage Regulator Module 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.