To see freshwater tank level without having to open storage cabinets

Wanted to measure contens without making any holes in the tank

Want to use it to know how full the waste/black water tank.

Trenger informasjon om status på septiktank

Utbytesartikel ,sensor fel på förra.

Kolla tanken

Nivåmätaren i tanken trasig, tanken felaktigt ombyggd.

För nivåmätning av tank

To measure the wast tank in our Narrowboat

Blackwater tank sensor and operable on my boat needed something easy when would this product does it transmit warnings to my phone?