*KeyFeatures *HIGH EFFICIENCY- Advanced MPPT Control algorithm can minimize the power point loss rate and loss time, and its tracing efficiency is no less than 99.5%, and conversion is no less than 98%. *HIGH-DEFINITION LCD SCREEN- This solar charge controller features a high-definition LCD screen, so you can see the status of charging clearly. *INTELLEGENT MONITORING- This solar panel controller allows multiple monitoring ways: WIFI/GPRS, mobile app remote control, and computer monitoring, which all make it super convenient for you to monitor it anytime & anywhere. *MULTIPLE SAFETY PROTECTIONS- This solar panel charge controller applies multiple intelligent security protections to ensure the controller to be fully protected in the process of use. *TEMPERATURE SENSOR INCLUDED- We offer you a high-quality temperature sensor free of cost. It is flexible-resistance and can have better thermal conductivity. Length of cable: 3 meters. ******************************************************************************************************* *Specifications Max Input Power: 520/1040 W Battery Voltage Range: 8-32V Max. Battery Charging Current: 40A Efficiency:99.5% Conversion: 98% Equalization Voltage: 14.6/14.8 V Float Voltage: 13.8V Standard Voltage System: 12/24V Max. Solar Panel Open-Circuit Voltage: 100V Battery Type: Gel, AGM, Plumbic Acid, Lead-Carbon Charge Stage : 3- stage Dimensions(L x M x H): 6.9 x 2.2 x 9.7''/17.6 x 5.8 x 24.7 cm ******************************************************************************************************* *Pakcage Content 1 x Solar Charge Controller 1 x Temperature Sensor