Cbe pc100 kit + all cables & connectors.
The microprocessor system with led has the following functions:
car battery control,
service battery control,
drinking water tank level control,
external/internal temperature display,
lights control,
water pump control,
external light control,
fridge control,
battery parallel relay protection fuses,
car battery recharge control, and minimum voltage device control.
Water tank probes are sold separately.