A Static Favorites List is created by adding items to your list from Search and/or Browse results, product detail pages, and previous orders and invoices. You can also upload your list using the Excel template provided on the "Favorites List Management" page.
A Dynamic Favorites List is automatically created from your purchase history based on the timeframe, ship-to name, and product categories you want included. This list updates each time you open it based on the criteria selected.
The Wireless Smoke Alarm detects smoldering fires and has a spread spectrum horn tone. This alarm will sound if it detects smoke even during power outages. It uses a secure radio frequency with 65,000 security codes to communicate between alarms, which are perfect for linking alarms on different floors or in stairwells. No wires necessary and it's programmable with multiple alarms for a home safety system. Other features include a test and silence button, a latching indicator that remembers which unit initiated the alarm and smart technology that helps reduce false alarms. The SA520B can be connected to other smoke alarms and offers 360 degree . access to the smoke sensor. If 1 unit triggers an alarm, all smoke alarms in the series will sound. The SA520B features a perfect mount system for perfect alignment, a low battery latch and 2 silence features. You can silence the low-battery chirp for 8-hours or temporarily silence a nuisance alarm. The Wireless Smoke Alarm is warranted to the original purchaser for a period of 10-years. First Alert invests time and research into providing dependable and hardworking products. Committed to innovation and value, First Alert improves safety in and around the house.
Audible alarm emits low frequency sounds
Interconnects with other alarms without wires
1-button silence and test
Alarm remember which device started the series
Onelink alarms by first alert feature a wireless connection so when 1 alarm is triggered, all alarms sound