The LT100 LED panel is intended for use in self-sufficient caravans and can be connected to the CSV409. The display is via light-emitting diodes. Delivery incl. connection material for the CSV and tank probes/cables Voltage display in 4 levels for the living area battery. Visual battery alarm when the battery voltage drops significantly. Tank level indicator in 4 levels for 2 tanks. 12 V main switch with switch-on control. 230 V mains control.