Serene Central Alert Audio Alarm Sensor

Product Code: CA-AX

Optional accessory for the Central Alert Wireless Notification System (CA-360), Central Alert Portable Remote Receiver (CA-RX) or the Central Alert Wearable Pager Receiver (CA-PX)
Detects any loud alarm sound of 15 seconds or longer and sends a wireless signal to either of the three systems to alert you
CA-AX is capable of detecting alarm sounds used in smoke detectors (T3 signal) and carbon monoxide detectors (T4 signal)
Requires (2) AA alkaline batteries (not included) with average battery life of 10 months
Operating range: up to 200 feet
Will not work when purchased alone; must be paired to either CA-360, CA-RX or CA-PX
Mount it next to your audio alarms for alarm sound detection
It can also be hardwired to your audio alarms that come with connecting terminals for direct activation (i.e. doorbell)