Fully automatic load and unload. Compressor will start automatically and shut down under the following conditions: - When the target pressure in the air tank has been reached - When the voltage drops below a thrashold - In an over-pressure condition - When the temperature reaches a protection setpoint High-quality European technology and components (LOFTOLL FROM GERMANY and SKF) LOFTOLL air filter with long-life capability.(4000 hours+), easy for maintenance and replacement. LOFTOLL oil filter, filtration density 10 micron (99.9% efficiency) and long-life capability (4000 hours+). LOFTOLL air-oil separator, particle count below 3 ppm Control system: All parts are by Schneider in France