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% Colour: 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.