Free shipping Portable Water Alarm Sump Pump Floods Leaks Safety Bathroom Laundry Sinks Water Level Alarm Wholesale

This order no include battery!

This product works: alarm has a floating ball, can be used to detect water level, when the water level is higher than the position or below this position, will send out alarm prompt.

Using the principle of floating ball, pure water, air conditioning water, distilled water and other high purity water can also be used, can be any water could be used.

Power supply: use this paragraph section 9 v battery