Specification: Condition: 100% Brand New Item Type: Generator Speed Controller Speed Fluctuation Rate: +0.25%~-0.25% High Speed Setting Range: 1K~7.5kHz Speed Signal: 0.5~120VRMS Steady-state Rate (speed drop): 0~5% Temperature Drift: <+5%~-5% Ambient Temperature: -30~+70 degrees Impact: 2G Vibration: <100Hz Relative Humidity: <95% Fine-tuning of the Speed: Calibration Speed +200Hz~-200Hz Package List: 1 * Generator Speed Controller Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.