Description: Image of LCD graphic symbol Simple button operation Automatic Identification System Voltage level Intelligent PWM charge mode Adjustable charge-discharge control parameters Settable Operating mode of Load Overload, Short Circuit Protection Remote monitoring and control function (custom) Battery reverse-discharge protection Battery Low Voltage Disconnection (LVD) Battery reverse connection protection Accumulated function of charge and discharge Ampere hours Specification: Rated Voltage: 12V / 24V ( Auto Switch ) Rated Current : 30A Max Input Solar Panel Power: 720W , Connect 24V Battery ( Connect 12V Battery, Max solar Panel Power: 360W ) Open Voltage of Solar Panel : ≤ 50V Over-charging Protection : 13.8V / ( 27.6V ) Low Voltage Disconnection / LVD: 10.7V / ( 21.4V ) Low Voltage Reconnected / LVR: 12.5 V / ( 25V ) No Load Loss: ≤ 30mA Loop Voltage Drop: ≤170mV Charging Mode: PWM mode Temperature Compensation: -4mV / Cell / °C Installation Cable area: ≤ 7# AWG (16 mm⊃2; ) Operating Temperature: -10-60 degree Centigrade Storage Temperature: -30-70 degree Centigrade Humidity Requirements: ≤ 90% , no condensation Dimensions: Approx.90x188 x48 mm/3.54x7.40x1.88inch Package Includes: 1PIece 30A solar controller 1PIece User' manual 1PIece temp sensor