Hệ thống cảnh báo nước cao Johnson Bilge Alert 24v

JOHNSON BILGE ALERT HIGH WATER ALARM ~ 24VOLT
The Johnson Bilge Alert high water alarm system uses a patented Mirus field effect detector cell which produces a micro-electrical field that detects disruptions caused by water and fluids. When activated the sensor will trigger a 100dB audible alarm plus a visual LED alarm on the control panel.