1. AVR Digital Era, M16FA655A Multi-Functional Digital Voltage Regulator, Life Has Been Inseparable From The Electricity, Ready To Standby For Your Life To Light Up The Luster 2. 50-60HZ Frequency Selection, Low Frequency Led Indicator 3. Input Voltage 4. Glass Glaze Wire Wound Resistors 5. Resistor ZOV TDK Model: M16FA655A Detection And Power Input:Voltage 110/220/400V AC Power Input:Voltage 170-270AC Single-Phase Two-Wire Magnetic Field Output: Voltage 240V AC, Maximum Input Current:Max 95V AA Current:Continuous 8A Different Batches, Product Appearance, Color, And Printed Characters Will Be Different, Which Will Not Affect The Use Colour:Black-Gray Material:PCB Size:13x9x4cm Package Contents: 3 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.