Item Type: Engine Speed Controller Product Model: S6700E Working Voltage: 12-32V DC Output Voltage Range: 0-5A Speed Range: 1K-7.5KHZ 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 Vibration: <100Hz 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 S6700E is a for Cummins Engine Speed Controller, please connect correctly according to the wiring diagram of the manual. 1Designed to control engine speed with fast and accurate response to transient load changes. 2The speed controller provides a series of protection once the power supply is reversely connected. 3This engine speed controller allows for high and low speed conversion and fine speed adjustment. 4Multifunction: automatic parking protection, high speed start, full speed control, parallel function. 5Steadystate rate adjustment (speed drop) is adjustable, and the adjustment is very simple.