Home > Products > Detectors > Smoke Detectors >

  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


 

Owned and Operated by Firefighters!
Our Price: $39.95 Free 2-3 Day Shipping-Ships in 24hrs
Qty:

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: 6 Write a review »

  0 of 0 people found the following review helpful:
 
Best price. Quick delivery. Thank you very much. June 20, 2014
Reviewer: Anonymous Person from sunderland, VT United States  
Best price. Quick delivery. Thank you very much.

Was this review helpful to you?

  0 of 0 people found the following review helpful:
 
great store April 20, 2014
Reviewer: jason f from daytona beach, FL United States  
Awesome prices, super fast shipping, I will definitely come back.

Was this review helpful to you?

  0 of 0 people found the following review helpful:
 
Great price, fast shipping March 31, 2014
Reviewer: Anonymous Person from Rockville, MD United States  
Needed to replace our old smoke alarm.  Very pleased with communication regarding my order, super fast shipping and great price.

Was this review helpful to you?

  0 of 0 people found the following review helpful:
 
Best Of Both Worlds February 21, 2014
Reviewer: Leslie Bartlett Jr from Hermitage, PA United States  
I picked this unit to update and expand my present hardwired installation so that I could add additional wireless units without the hassle of running more electrical cable.

Was this review helpful to you?

  0 of 0 people found the following review helpful:
 
Can't be beat February 20, 2014
Reviewer: Kathi W from Virginia Beach, VA United States  
Prices so competitive,  free shipping, great customer service.  Super fast shipping.  What more could you ask for.  Will do business again.  Thanks so much!

Was this review helpful to you?

View All Customer Reviews