Feature:1. LCD screen for dynamic display of equipment running data and working status.2. The user interface is simple, humanized button setup, more comfortable and convenient to operate.3. Compared with ordinary solar charge controller, the MPPT controller can improve efficiency by 10% -30%.4. Standby energy saving, standby power consumption is only 10ma-15ma.5. This is a dual-time controller into the dusk (evening) working time ,an interval of rest or pause time, dawn working time (morning light function),the user can according to their needs ,set a different timeSpecification:Condition: 100% Brand NewItem Type: Solar Charge ControllerMaterial: PPColor: As shown in the pictureSize: Approx.14.1x8.5x3.7cm / 5.6x3.3x1.5in Weight: Approx.232g/8.2ozRated Operating Current: 20AInstallation Line Number: 8mm²Installation Line Number (American standard): 8 (AWG)Rated Working Voltage: 12V/24VSolar Panel Rated Open Circuit Voltage: 18V/36VBattery Float voltage: 13.8V/27.6VBattery Undervoltage Protection: 10.6V/21.2VBattery Undervoltage Recovery Working Voltage: 12.6V/25.2VSolar Panel Maximum Open Circuit Voltage: ≤48VSystem No-load Loss: ≤13mALoop Step-down: ≤100mVWorking Temperature: -10 ° C ~ 60 ° CStorage Temperature: -30 ° C ~ 70 ° CHumidity Requirement: ≤90%, no condensationTemperature Compensation: -4mV/cell/°CTemperature Probe Material: NTC 100k thermisto Package List:1 x Solar Charge Controller1 x Temperature Sensor1 x Instruction ManualNote:1. Please allow 1-2cm 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.