Topargee H2F-BT12 Bluetooth Water Tank Gauge. It is compatible with IOS v10 or later & Android v8 or later. All information is at your fingertips on your phone. This includes quantity & percentage of water remaining (in litres/gallons), programmable tank size, approx. battery state & refresh button are all displayed on the main screen of your App. No need for an internet connection and as long as you are within approx. 5 meters of your gauge you can check the number of litres left in your tank. Apps can be downloaded to multiple devices as all amounts and settings are stored in the Bluetooth module.
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