AVR SX460-A Red Component Sensing voltage jumper selectable120(95-132)VAC, 240(190-264)VAC, single phase 2wire Frenquency 50-60Hz nominal Voltage Input Max 90VDC at 207VAC input 15 ohm minimum Regulation Less than +/-1% with 4% engine governing Voltage Build-up residual voltage at avr terminal Greater than 5vac External Voltage Adjustment :+/-7% with 1k ohm 1 watt trimmer Generator Less than 150kw Colour: Black Material: metal + plastic package contents: 1* 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.