Features The engine speed controller, whose main purpose is to control the engine speed, can respond quickly and accurately to transient load changes. The engine speed control unit has good protection performance, such as power reverse connection protection, etc. The electronic engine speed controller is adjustable, which can realize high and low speed conversion and fine-tuning speed to meet different usage needs The multi-functional engine speed governor has automatic stop protection, high-speed start, full-speed control, and parallel functions, making it widely used and long in service life Customer Service. Please feel free to contact us if there are any questions before or after purchasing Specification: Item Type: Engine Speed Controller Product Model: S6700E Working Voltage: 12-32V DC Output Voltage Range: 0-5A Speed Fine-Tuning Range: ±200HZ Speed Fluctuation Rate: +0.25%~-0.25% Speed Signal: 0.5~120VRMS Steady-State Rate (Speed Drop): 0~5% Temperature Drift: < +5% ~ -5% Ambient Temperature: -30 ~ +70 degrees Relative Humidity: <95% Function: 1. Speed Control 2. High and Low Speed Conversion and Speed Fine-Tuning 3. Automatic Parking Protection 4. Adjustable Steady-State Rate (Speed Drop) 5. High-Speed Start 6. Full Speed Regulation 7. Parallel Function Package List: 1 x Engine Speed Controller  1 x User Manual Note:S6700E is a for Cummins Engine Speed Controller, please connect correctly according to the wiring diagram of the manual. Package List 1 x Engine Speed Controller 1 x User Manual