- Home
-
Shop
- Assistive Devices
- Cerumen Management
- Clinical Tools & Supplies
-
Diagnostic Equipment & Supplies
Diagnostic Equipment & Supplies
- ABR & OAE Systems
- Air, Bone & Insert Earphones
- Audiograms & Forms
- Audiometers
- Auditory Test Recordings
- Balance Supplies
- Electrodes & Supplies
- Hearing Instrument Programming & Test Box
- Infant Screening Supplies
- Recording Paper
- REM Systems & Probe Tubes
- Tympanometers, Printers & Parts
- Tuning Forks
- Misc Parts & Supplies
- VRA & E-CPA
- Eartips
- Fitting Supplies
- Hearing Conservation
- Impression Materials
- Infection Control
- Mobile Audiology
- Office & Educational Items
- Otoscopes & Headlamps
- Resale Accessories
- Home>
- Catalog>
- Assistive Devices>
- Alerting Systems>
- Door & Doorbell>
- Serene Central Alert Door Announcer / Knocker
Serene Central Alert Door Announcer / Knocker
Product Code: CA-DX
- Optional accessory for the Sereonic Alert Wireless Notification System (CAQ-1002/CA-360QK), Central Alert Portable Remote Receiver (CA-RX) or the Central Alert Wearable Pager Receiver (CA-PX)
- Wireless sensor that detects door knocking vibration or door chime vibration and sends information to one of the above systems to alert you
- Can also connect to existing doorbell, door chimes, or door intercom provided there is an external connection (has 2.5mm jack)
- Requires (2) AA alkaline batteries (not included)
- Operating distance: up to 200 feet
- Can be wired directly to doorbell terminals where the electrical signal activates CA-DX
- Will not work when purchased alone; must be paired to either CA-360QK, CAQ-1002, CA360, CA-380,CA-RX or CA-PX