Voltage Regulator Product Name: Automatic Voltage Regulator 220 volt 1 Phase Generator AVR AS440Sensing or Power inputVoltage: 120(95-132Vac)240(190-264Vac),1 phase 2 wire jumper selectableFrequency: 50 or 60 Hz jumper selectable Product Name: Automatic Voltage Regulator 220 volt 1 Phase Generator AVR AS440 Sensing or Power input Voltage: 120(95-132Vac)240(190-264Vac),1 phase 2 wire jumper selectable Frequency: 50 or 60 Hz jumper selectable Output Voltage: Max. 90 207 Vac input Current: Continuous 4A,Intermittent 6A for 10 seconds Voltage Regulation: less than 1 percent (with 4 percent engine governing) 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. Due to different production batches, product appearance and pictures may be different, but it does not affect the use of functions Colour: black and blue Material: plastic and metal Package Contents: 1 x Automatic Voltage Regulator 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.