Water bug products provide reliable water detection while not alarming due to high humidity or condensation. When integrated with an alarm system, these units will activate dialers and alarms to Notify of a problem. Optional add-ons include a 12V power supply for stand-alone operation and a remote Annunciator for remote alarm notification in an additional location. All units utilize standard surface and standard under-carpet sensors; however the WB800 can also support supervised sensors that alarm If water is detected as well as If a lead is severed. Designed and manufactured in USA. WB350 - stand-alone water bug alert console designed for stand-alone operation powered by a 9V battery with low battery indicator ideal for office environments or near water heaters includes one standard surface sensor built-in buzzer triggers when water is present WB200 - hardwire water bug alert console unit must be Hardwired to 12 or 24 V power supply, or may be powered off security panel includes one standard surface sensor sensors may be placed up to 200' from console form C output relay (common/normally open/normally closed) detects for either the absence or presence of water WB800 - hardwire 8 zone water bug alert console unit must be Hardwired to 12 or 24 V power supply, or may be powered off security panel supervised sensors alarm If water is detected and/or If lead is severed attach up to 8 supervised or 16 unsupervised sensors on one console includes 4 supervised surface sensors may be placed up to 500' from console 8 LED's on console indicate which zone is in alarm water bug water detection system specifications warns of leaks and overflows.