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It works well. Inexpensive. The sound is loud and nasty, it is impossible to ignore :-)). Small dimensions, low weight - can be placed anywhere. Good "watchdog". There are many options for using...
Verified purchase: Yes | Condition: New
This works well for ordinary (tap) water but I wanted one as part of a overflow warning for a Reverse Osmosis RO unit. Because the water is purer it fails to detect it. My previous alarm was fine with RO water.
Verified purchase: Yes | Condition: New
I use this for alarming when a water tank is filled from rain water. I used 2 clothes pegs to secure the wire to the tank and place them about 50cm apart so that there is no false alarm during heavy rain
Verified purchase: Yes | Condition: New
Great little police siren sound and VERY loud. I had to put earplugs in!. It is very sensitive to water and I recommend as a cheap water alarm. Unknown is how long a battery will last. Mine is going next to my ageing water heater as it is overdue to fail and flood the garage.
Verified purchase: Yes | Condition: New
As on the box!
Verified purchase: Yes | Condition: New