Silent Call Silent Call Signature Series Sound Monitor Transmitter The Silent Call Signature Series Sound Monitor Transmitter signals a receiver when it detects sounds around your home that are longer than 3/4 of a second, with range of up to 2 000 feet. Requires a... MSRP: Was: Now: $91.95
Sonic Alert Sonic Alert HomeAware HA360US Universal Sound Signaler Picks up a specific monitored sound and sends an alert signal to HomeAware main unit and/or remote receivers. Three sensitivity levels; HI, MED, LOW The HA360US Universal Signaler alerts you to... MSRP: Was: $99.99 Now: $89.99
