1High quality generator voltage regulator is stable and durable in use, which keeps high practicality. 2Voltage controller adopts advanced electronic components with long service life. 3Compact size and light weight generator regulator is easy to use, and it keeps high quality capacitor and terminal for superior performance. 4Through professional manufacturing, voltage controller is with exquisite workmanship and high reliability. 5Automatic voltage regulator supports generator voltage regulation, overvoltage protection function and low speed protection function.Item Type: Voltage regulator Model: R220 Detection and Power Input: 120 (90-140) VAC single-phase two-wire Single-Phase 2-Wire: Selected with jumper copper sheet Magnetic Field Output:120VAC Input: Maximum 100 VDC, Continuous Current: 8A, Non-Continuous 10 Seconds: 10A Voltage Regulation Accuracy:1 x Voltage Regulator1 x User Manual