Wireless Water Leakage Detector for water valve or water pipe

Wireless Water Leakage Detector WL-100 is a kind of reliable and practical alarm
detector, specially designed for preventing water leakage and loss of water resources.
It’s lower-power consumption, high sensitive and easy installation, generally
speaking it’s installed under the water valve or water pipe to monitor the water
leakage, besides, it not only can be used independently, but also can be the frontend
detector of an alarm host systems.
Applications, for using indoor: Kitchen, Coal mine, Corridor, Office, Room, Museum,
Library, Finance Room, Warehouse, tank, water towers, pool, fishpond, water
dispenser, water container, ceiling, floor and so on.

Specifications:

Working Voltage: 9-12VDC;
Battery Life: About 2 years (counted at 3 times each day);
Wireless Frequency : 433 MHZ
Transmission Range: 100m

Working Current (mA): 10-20mA

Static Current(uA): 4-6uA

Operating temperature: -10degree - +50degree;
Relative humidity:  <95% ;