Used with the control unit ct-02 the machine's hyraulics can manually raise, lower and seek the 'on grade' position for the blade. features 8 levels photocells for a better accuracy.three "on grade" acuuracies.constant reception accuracy regardless of operating distance, spot size and rotating laser type.special software program for constant receive under excavating condition with vibrations.laser beam rotating speed recognitioncan bus type communication with control unit le-ctultra bright indication with led's easy to view even in brightest sunlight.double stable bracket mountingwaterproof and shock resistant. Detection Range 360 degreeDetecting Window 220mmAccuracies On grade +- 4, 8, 12 mm Operating Range* 900 m (Diameters)Operating Voltage 10-30 v DCOperating Temperature -15 dig To +60 dig CBody Shock resistant, Aluminum Housing Weight 2.25kgsClamp capacity 25 to 50mm*8 levels photocells for better accuracy*Special software programmed for constant receives under excavating condition with vibrations.*CAN bus type communication with control unit*Ultra bright indication with LEDs easy to view even in brightest sunlight.*Waterproof and shock resistant *Quick installation and easy mounting.