This is Three-time Controller into the evening working time, and interval of rest or pause time, Dawn working time(morning light function), the user can according to their needs, set a different time.A: Time(evening working)B: time(Pause working)C. time(dawn working)This Solar Charge Controller compatible MPPT charge controller PWM intelligent/efficient/energy saving, it not only has efficient MPPT controller charging function to automatically track the maximum power point, 10%-30% higher than the ordinary controller charging efficiency, also has standby energy saving, more than 30% energy than ordinary controller, the standby power consumption of only 10mA-15mAFeatures:LCD screen displayBattery reverse discharge protectionSimple(and more time control) operationBattery reverse polarity protectionPWM charging mode+MPPTBattery under voltage protectionParameter user can resetOverload, short-circuit protectionA key to open and close the loadAutomatic Temperature compensation functionA key to restore the factory settingUSB 5V charge(current 1500mA/1.5A) optionalThis is Three-time Controller into the evening working time, and interval of rest or pause time, Dawn working time(morning light function)The user can according to their needs, set a different time.This Solar Charge Controller compatible MPPT charge controller PWM intelligent/efficient/energy saving.It has efficient MPPT controller charging function to automatically track the maximum power point, 10%-30% higher than the ordinary controller charging efficiencyWith standby energy saving, more than 30% energy than ordinary controller, the standby power consumption of only 10mA-15mASpecification:Parameters/ModelMPPT L-80Maximum Power Current80AInstallation Lin(mm2)20mm2Installation Line(AWG)2#(AWG)Weight900gPeak power of solar cell panel(Max Wp)1000WBattery capacity configuration800AHDimensions188 x 128 x 61mm / 7.4 x 5 x 2.4inBattery float voltage13.8V(12V system) / 27.6V(24V system)Battery(under voltage) protection10.6V(12V system) / 21 2V(24V system)Battery(under voltage) recovery voltage12.6V(12V system / 25.2V(24V system)System load loss<=13mALoop Buck,<=100mVOperation Temperature :-10"-60'Storage Temperature:-30--70Operation Temperature:<=90%, No condensationTemperature compensation:-4mV/Cel/Maximum open circuit voltage of the solar panel18V-24V(12V system)36V~48V(24V system)Solar Panel maximum open circuit voltage<=48VPackage List:1 x Solar Charge Controller1 x Temperature Probe1 x English ManualNote: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.