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  First Alert SA521CN(SA520) ONELINK Hardwired Wireless Photoelectric Smoke Alarm with Battery Backup
First Alert SA521CN(SA520) ONELINK Hardwired Wireless Photoelectric Smoke Alarm with Battery Backup


 

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Description
 
The SA521CN(SA520) is a Hardwired/Wireless/Photoelectric smoke detector. With the First Alert SA521CN(SA520) you can easily connect the alarm to a network of other smoke alarms through its wireless connection as well as the hardwiring. It works as a bridge unit to connect your existing hardwired alarms and expand with other Onleink Wireless alarms. This 120V AC system can replace any standard fire alarm that is hardwired. You can then expand on your existing hardwired network by Wireless link to any of the other Onelink Wireless Smoke or CO alarms.

SPECS:
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 # SA520
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


Average Rating: 5 of 5 | Total Reviews: 17 Write a review »

  0 of 0 people found the following review helpful:
 
First Alert SA521CN(SA520) ONELINK Hardwired Wire April 29, 2015
Reviewer: Claude Brown from Powder Springs, GA United States  
perfect great customer service by far the best people I have ever dealt with online.
First Alert SA521CN(SA520) ONELINK Hardwired Wireless Photoelectric Smoke Alarm with Battery Backup

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  0 of 0 people found the following review helpful:
 
First Alert SA521CN(SA520) ONELINK April 2, 2015
Reviewer: Neil Higgins from farmingdale, NY United States  
great customer service,best price on web,fast shipping

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  0 of 0 people found the following review helpful:
 
SA520 February 18, 2015
Reviewer: Bob from Cheyenne, WY United States  
Excellent service. Received exactly what I ordered. Product arrived on time.

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  0 of 0 people found the following review helpful:
 
Owner of All American Const. February 16, 2015
Reviewer: Jeff Borges from Templeton, CA United States  
The product was delivered on time.The price was great.I am going to order again from this Company.

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  0 of 0 people found the following review helpful:
 
Just as ordered January 20, 2015
Reviewer: greg walter from Manteo, NC United States  
works well

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