CBE Fresh Water Level Indicator with ProbeThis is a neat compact 12v indicator that will fit most underslung water tanks. Level indication shown by a 4 stage traffic light led indicator.We also sell a matching waste water indicator with probe, or a combined fresh water and waste water indicator (see our other listings).The probes in these kits are design for use only with the CBE control panel supplied.Probe length 260mm (can be cut down to suit)