Features： 1、Automatic Control: Electronic generator controller is designed to automatically start and stop generators with a low cost controller. 2、Scope of Application: The electronic generator controller module is suitable for Class 1 to 3 gasoline and diesel generator sets. 3、Multifunctional: Generator automatic control module with generator protection, integrated alarms and warnings, etc. 4、Basic Parameters: DC power range: 9?33V DC; AC generator voltage: 15?300V AC, AC generator frequency: 50?60 Hz. 5、Easy to Install: Designed for front panel mounting. Universal use in marine, power, communications and where generators are required. Specification： Item Type: Electronic Generator Controller Material: ABS Size: Approx. 8 x 7.3 x 5.7cm/3.1 x 2.9 x 2.2in Panel Size: Approx. 68 x 68mm/2.68 x 2.68in Alternator Voltage: 15-300V AC Alternator Frequency: 50-60Hz Frequency: Nominal Frequency +14% (Overshoot +24%) Low Speed: 30Hz DC Power Range: 9-33V DC Current Consumption: 150mA Maximum (Relay Output On) Charge Failure Threshold: 6V-DC Charge Excitation Current: Connected to Fuel Output Via 220 Ohm Resistor Operating Temperature: -20℃ (-4℉) to 70℃ (158℉) Storage Temperature: -30℃ (-22℉) to 80℃ (176℉) Maximum Humidity: 95% Non Condensing Use: Universal in Ships, Electricity, Communications,, Where Generators Are Needed Gross Weight: Approx. 242g/8.5oz Package List： 1 x Electronic Generator Controller 2 x Keys 1 x Manual