When the radio water detector detects a small amount of liquid, it sends the alarm by radio to headquarters, which then triggers loud alarm. The cable length from the detector to the sensor is 60cm. Thus, the sensor can be installed in inaccessible locations. Included in delivery: Water detector, 60cm sensor cable, battery holder, operating instructions. Technical data: Operating voltage is 3V/DC (1x lithium-button cell), maximum range (in the open) is 60m,
Dimensions (W x H x D) are 35 x 76 x 34 mm.