1、High Efficiency And Energy Saving: Compatible with MPPT PWM solar charging control, automatic tracking of the maximum power point, 10%‑30% higher than ordinary controller charging efficiency, standby power consumption is only 10mA‑15MA. 2、Dual Time Period Control: Divided into the evening work period, the intermediate rest or pause period, and the dawn (morning function) work period. Users can set different working hours according to their needs. 3、LCD Display: Solar controller, equipped with LCD display, real‑time display of solar panels and battery performance, and energy statistics counter, adjustable charge and discharge settings. 4、PWM Technology: It adopts advanced PWM technology and has a full set of electronic safety functions, which can achieve the best solar energy system performance, safety and energy saving. 5、Stable Performance: With NTC100K thermistor temperature probe, compatible with 12V 24V system, with multiple protections, easy to install, without power storage function. 1 x Controller1 x Probe1 x English Manual Item Type: Solar Energy ControllerMaterial: ABSWeight: Approx. 225g / 7.9ozProduct Size: Approx. 142x85x37mm / 5.6x 3.3x 1.5inRated Working Voltage: 12V/24VRated Open Circuit Voltage of Solar Panel: 8V/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℃-60℃Storage Temperature: -30℃-70℃Humidity Requirements: ≤90%Non Condensing Temperature Compensation: -4mV/Cel1/℃Temperature Probe Material: NTC100K Thermistor