Soft start voltage ramping Sensing voltage loss protection 120 or 240 Vac sensing, jumper selectable Under frequency roll off protection With under frequency LED indicator Sensing/Power input Voltage: 40-150Vac, 3 phase Frequency: 50/60 Hz jumper selectable Output Voltage: Max. 160Vdc at 120 Vac input Current: Max 8A Voltage Regulation: less than +/-0.5% (with 4% engine governing) Voltage regulation less than +/-1% Color: black Material: plastic Package Contents: 1 * Automatic Voltage Regulator 1 * English Manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be a little different from the real thing. The measurement allowed error is +/- 1-3cm.