Check the listing for details. TrakMax 30L MPPT 30A Solar Charge Controller Remote Meter + Temperature Sensors. Condition: New. Listed at 19.99 USD. WindyNation TrakMax 30L MPPT Solar Charge Controller Accessories This listing is for the Windy Nation Remote Meter and Temperature Sensors that are compatible with the the Windy Nation TrakMax 30L MPPT Solar Charge Controller.Please note that the TrakMax 30L MPPT Solar Charge Controller is NOT available in this product listing. This listing is only for the optional accessories (Remote Meter and Temperature Sensors) What’s Included?(1 pc) Ambient Temperature Sensor + Battery Temperature Sensor (Use the drop-down tab above to select)(1 pc) Remote Meter LCD Readout (Use the drop-down tab above to select)(1 pc + 1 pc) Remote Meter LCD Readout and Ambient Temperature Sensor + Battery Temperature Sensor (Use the drop-down tab above to select) Remote Meter LCD Interface Cycle Options Brief Description of Components Temperature Sensors Remote Meter