Samlex America Programmable Remote Control f/Evolution F Series Inverter/Charger - Optional. View real-time activity on the alpha numeric LDC display with 4 rows of 20 character while the unit is operating: Output voltage Frequency Amps Watts Volt Amps Power Factor Battery Voltage Battery Current Solar Input Current and more.For use with:EVO-1212F EVO-1212F-HW EVO-1224F EVO-1224F-HW Specifications for Samlex America Programmable Remote Control f/Evolution F Series Inverter/Charger: Manufacturer: Samlex America Color: Black Features of Samlex America Programmable Remote Control f/Evolution F Series Inverter/Charger Advanced features for programming various parameters and modes of operation 4 rows of 20 characters alpha numeric LCD display for messaging Robust metal enclosure SD card slot can manage a removable SD Card up to 16GB (SD Card not included) Includes 10M/33ft data cable Applications:Boats RVs trucks specialty vehicles Alternative energy off-grid cabins remote locations areas with unreliable utility power Back-up and emergency power applications Package Contents: Samlex America Programmable Remote Control f/Evolution F Series Inverter/Charger Samlex America EVO-RC-PLUS: Programmable Remote Control f/Evolution F Series Inverter/Charger - Optional