SKU:BE1284-433
Smoke Alarm Transmitter
Detects fire or smoke at an early stage and triggers receivers quickly and directly to help ensure you can respond in time. An industry-certified emergency notification device.
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Description
Description
Stay safe and protect your family with the Bellman & Symfon smoke detector transmitter, designed to provide early warnings when heat or smoke is detected. Built for American homes, this reliable fire alarm transmitter works as part of the Visit Smart Home System, helping you stay informed and prepared at all times. With dependable alerting technology and seamless integration, it acts as a powerful alarm transmitter within your home safety setup.
When activated, this transmitter alarm device produces a continuous loud alarm, flashes bright LEDs, and sends a radio signal to Visit receivers. The integrated fire alarm radio transmitter ensures alerts reach compatible receivers quickly and reliably. Depending on your system configuration, you may be notified through loud sounds, flashing lights, or strong vibrations. This combination of signals makes it one of the most dependable alarm transmitters for homes where safety is a top priority.
The unit operates with a long-life lithium battery and also supports alkaline battery options for flexible use. It provides clear warnings for low battery, system fault, and end-of-life status, ensuring your system continues working reliably. Unlike a basic chirping smoke alarm, this alarm radio transmitter delivers clear and actionable alerts designed for modern safety systems.
As a certified transmitter detectors device, it meets UL217 and ULC S531 standards for dependable performance. It works seamlessly within the Visit network as a smoke alarm monitor, transmitting alerts to connected receivers that support smoke alarm monitoring across your home.
This device can also function as a smoke detector listening device, helping receivers detect and relay smoke alarm signals throughout the system. Acting as a reliable smoke alarm listener and smoke detector listener, it ensures alerts are delivered wherever they are needed most.
With dependable wireless signaling, flexible battery options, and inclusive safety design, the Bellman & Symfon smoke detector transmitter offers a trusted alarm transmitter solution for households that want reliable protection and peace of mind.
In the Box
In the Box
● Smoke Alarm Transmitter
Detects fire or smoke and signals receivers
● Mounting Equipment
Includes screws for installation
● Batteries
3x CR123A Alkaline Batteries
Specifications
Specifications
● Sensor Type
Multi-criteria optical smoke and heat sensor
● Alarm Volume
> 85 dB(A) at 10 ft
● Silence Function
Temporary hush for ~10 minutes
● Battery
2 × 3V CR123A lithium (replaceable)
● Battery Life
Up to 10 years
● Radio Range
Up to 525 ft (line of sight)
● Size
4.7 × 4.7 × 2.3 in
● Weight
7.4 oz
● Product Lifetime
10 years
● Compliance
UL217, UL539, ULC-S531,
FCC Part 15, IC RSS-210
Resources
Resources
● Videos
Why: Smoke Alarm Tx❯
How-To: Smoke Alarm Tx❯
● Datasheet
Smoke Alarm Tx❯
● User Manual
Smoke Alarm Tx❯
Features
Reliable radio link
Covers up to 500 ft open field.
Safe at night
Relays the alarm to your bedroom.
Silence function
To avoid nuisance alarms.
Long lasting power
Up to 10 years battery life.
Smoke Alarm Transmitter
- Alarm LED
- Sensor
- 3V Batteries
- Radio LED
- Test / Hush
- Radio keys

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