All the excellent features you'd expect from a Smartwater tank monitoring system, PLUS.....
This is single tank system, but multiple units can be added to the cloud based monitoring. 
Monitor your tank level via your smart phone/tablet.
 
- New WiFi gateway "app only' alternative
- Long distance wireless up to 25km line of sight
- Up to 12 tanks and pump controllers per user
- Progammable Pump Automation Option
- Solar Powered log life Lithium powered tank transmitter
- Supports multiple active repeaters for extendability 
- Cutom system alerts and alarms
- Simple DIY installation
 
Additional components sold separately.