Specifications:This is a smart/efficient/energy-saving PWM charge controller.With efficient controller charging function, it automatically tracks the maximum power point.The charging efficiency is 10%-30% higher than that of ordinary controllers.The energy is more than 30% higher than the ordinary controller, and the standby power consumption is only 10mA-15mA.This is a three-time controller that enters the night working hours.Rest or pause time interval, dawn working time (morning light function).Users can set different times according to their needs.A: Time (night shift)B: Time (suspend work)C: Time (work at dawn)Item Name: Solar ControllerMaterial: ABSModel: PWM10A12V/24V Automatic WorkLCD Screen DisplaySimple Operation InterfacePWM Charging MethodUSB 5V Charging (for 500mA) OptionalRated Working Current: 12AInstallation Line Number: 4mInstallation Wire Number (American standard): 10 (AWG)Rated Working Voltage: 12V/24VRated Open Circuit Voltage of Solar Panel: 18V/36VBattery Float Voltage: 13.8V/27.6VBattery Undervoltage Protection: 10.6V/21.2VBattery Undervoltage Recovery Working Voltage: 12.6V/25.2VMaximum Open Circuit Voltage of Solar Panel: ≤48VSystem No-load Loss: ≤13mALoop Voltage Reduction: ≤100mVCharging Mode: PWMWorking Temperature: -10 to 60 Degree CelsiusStorage Temperature: -30 to 70 Degree CelsiusHumidity Requirements: ≤90%, No CondensationTemperature Compensation: -4mV/Cel1/Degree CelsiusTemperature Probe Material: NTC 100K ThermistorSize: 14.3cm x 8.9cm x 4.6cm/5.63" x 3.5" x 1.81" (Approx.)Notes:Due to the light and screen setting difference, the item’s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Solar Controller1 x Temperature Probe1 x User Manual