Rain Harvesting Wireless Rain Water Tank Gauge Simple set up Transmits signals wirelessly to the receiver up to 100 metres away Utlises a reliable solid float system Easy to read dial face Suitable for all vented tanks up to 3 metres tall Simple set up Transmits signals wirelessly to the receiver up to 100 meters away Utilizes a reliable solid float system Easy to read dial face Suitable for all vented tanks up to 3 meters tall