BRK Electronics First Alert SA520 120V AC/DC Wireless OneLink Smoke Alarm Bridge Unit (Upgraded to SA520B)

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When ordering this, we will upgrade to a current model, a plug-n-play unit. You only need to change the mounting bracket.

Our Price: $37.98

Model: FIRST-ALERT-SA520

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Technical Spec

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Technical Spec

OneLink Wireless Alarms provide a cost effective solution when it comes to renovation and retrofit projects where interconnectability is a requirement. Easily interconnect between floors and new to existing construction wirelessly.

OneLink enabled alarm
Bridge Unit - Wireless Photoelectric Hardwired Smoke Alarm
Single button test/silence
Two silence features - can silence the low-battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarm
Add additional OneLink alarms and hardwired alarms. Links all alarms together for a complete system.
Hardwired interconnect and RF Interconnect: reliable and secure radio frequency communication between alarms. 915 MHz frequency with 65,000 security codes and 3 channel frequency hopping.
Optipath 360 TechnologyTM - patented technology provides 360 degrees of direct access to the smoke sensor.
Perfect Mount - allows for easy alignment of alarm
Spread Spectrum Horn Tone - Lower and varying frequency makes it easier for the elderly with normal aged related hearing loss to hear the horn.
Latching Features: Alarm Latch - remembers which unit initiated an alarm. Low Battery Latch: Visually indentifies unit in low battery condition.
10-Years Limited Warranty

Model #	SA520B
Weight	9.3 oz
Operating Voltage	120V AC with battery backup (Two 1.5V AA Batteries)
Humidity Range	10% to 90% relative humidity (RH)
Smoke Sensor	Photoelectric
Listing	ETL to UL 217 standard

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