This water alarm with two metal terminals is idea for water level detecting. tank filling check, pipes braking check, and other conductive liquids detecting. It has build-in buzzer and LED flash for alarming. It can be used as stand alone water alarm, and also can connect to the alarm control panel.

Conductive liquids detecting
Multipoint detector, can external connect with 8 couples
Audible and visual alarm, auto reset after disarmed

Technical Parameters:
Input voltage: 12VDC
Static current: <=15mA
Alarm current: <=20mA
Alarm model: Buzzer alarm & network output
Relay output: NC / NO (1A, 24VDC)
External probe maximal length: 35mm
Dimension: 60*35*90mm