Keep an eye on your outdoor water tank from the comfort of your own living room, up to 100m . Installed at the of your water tank, the transmitter unit measures the water level and temperature using an sensor. You can the receiver unit on a wall (hooks) or pull out the stand and place it on your kitchen bench top, table or desk. View your room’s temperature, tank temperature and water level (represented by a 10 bar graph). You can store min/max records and set alarms for specific water levels (high/low) or when empty. Feature - ColorAssorted Color - Material: plastic - Size: 10.5 x 9.3 x 2.5cm - Transmission range up to 100m ( ) - Tank level/depth (0.5m to 15m) - Air Gap (0.5m min) - Time display (12/24hr) - Time alarm mode - Indoor temp. display (°C/°F) - Tank temp display (°C/°F) - Tank level display (metre/feet) - Water level displayed on a 10 bar graph - Min. & Max. records for indoor & tank temp. - Tank level alarm mode (high/low) - Tank empty alert - indicator - Tank level updated every 30 seconds or 3 mins - Wall mount, Package list: 2 x liquid level meter (Battery Not Included)