Constant display of levels wihout needing to press a button
On/Off switch when caravan is not being used.
These new technology gauges have a coloured LCD analogue display with LED backlighting for crystal clear viewing. These gauges only draw 50 mA so they can be left on without flattening your on-board battery.There is a power on/off switch to turn the gauge off when the caravan is not in use
