With full function range of LCD battery computer & solar computer, indoor and outdoor thermometer, clock, tank indicator for fresh and waste water tank, pump main switch (up to 16 A) and main switch. Includes programmable deep discharge protection (% remaining capacity), with double USB charging socket (5 V / 2.5 A). The precision measuring resistor (smart shunt) included in the scope of delivery (set) and also available separately is mandatory for the battery computer function. The smart shunt is connected directly to the negative terminal of the on-board battery and connected directly to the display via a ready-to-plug cable.