Wireless Water Leakage Alarm Water Level Detector:

 

Name 433MHz Wireless Water Leakage Alarm 
Size 36mm x 88mm x 15mm / 1.41" x 3.46" x 0.59"
Quiescent Current 10uA
Detection Angle Horizontal Plane
Working Voltage 3V
Emission Frequency 433MHz 
Working Temperure -10℃~50℃
Relative humidity < 90%RH
Power By 2 x AAA Batteries 

Wireless Water Leakage Alarm Water Level Detector.