Modules powered: DC / AC 12V Output capacity: MAX10A Control range: 0-998 LUX Control accuracy: 1LUX Displays the current power is turned light intensity press the Set button the screen flashes press up and down keys to set the light intensity PO operating modes: 01 = low-light started 02 = High-light Start P1 return difference settings: After starting down this value to start again P2 High-light the alarm: Set the alarm prompted higher than this value P3 low light alarm: is set below this value prompts alarm P4 Illuminance calibration: after calibration value = measured value + correction