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Wireless Smoke Alarm with Photoelectric Sensor and Battery Backup, White
GUARANTEED SAFE CHECKOUT
The First Alert SA521CN-3ST (Model SA520B) Wireless Interconnect Integrated Smoke Alarm is designed to enhance home safety by linking alarms throughout your residence. This 120VAC hardwired wireless detector with battery backup integrates individual alarms into a comprehensive system. By adding Wireless Interconnect battery-powered alarms in other locations, the activation of one alarm triggers a notification to all connected units. Users can easily link alarms with a simple button press.
The RF Interconnect technology ensures reliable and secure radio frequency communication between the Wireless Interconnect alarms. This technology features a 915 MHz frequency with 65,000 security codes and three-channel frequency hopping, providing a robust and secure communication network.
The smoke alarm is compatible with a variety of First Alert wireless alarms, including the SA501CN-3ST (SA501B), SA501CN2-3ST (SA501B2), SA511B, SA511CN2-3ST, SA520B, SA521CN-3ST, CO511B, SCO501CN-3ST (SCO500B), and SCO501CN2-3ST. The photoelectric smoke sensor is designed to minimize nuisance alarms, enhancing the overall user experience.
The unit's easy-access battery drawer eliminates the need to remove the alarm from the ceiling to change the battery, making maintenance a simple task. Backed by a 10-year limited warranty, the smoke alarm meets UL standards, ensuring reliable performance.
It is important to note that this product is intended for non-professional, do-it-yourself installation. If you require information about a professionally installed and monitored system, please contact First Alert Professional at 1-800-921-6025. First Alert Professional is not affiliated with BRK Brands, Inc.
The front cover design of the alarm may vary, but the product's functionality remains the same. This hardwired smoke alarm, with its wireless interconnectivity feature, helps create a comprehensive home safety network, providing peace of mind and enhanced protection for your family.
product information:
| Attribute | Value | ||||
|---|---|---|---|---|---|
| brand | FIRST ALERT | ||||
| style | Hard-wired | ||||
| power_source | Battery Powered | ||||
| color | White | ||||
| product_dimensions | 2"D x 5"W x 5"H | ||||
| item_weight | 10.4 ounces | ||||
| alarm | Audible | ||||
| sensor_type | Photoelectric | ||||
| global_trade_identification_number | 00029054002440 | ||||
| manufacturer | First Alert | ||||
| upc | 029054002440 | ||||
| part_number | SA520B-SA521CN | ||||
| country_of_origin | Mexico | ||||
| item_model_number | SA521CN-3ST | ||||
| is_discontinued_by_manufacturer | No | ||||
| size | 1-Pack | ||||
| pattern | Alarm | ||||
| voltage | 120 Volts | ||||
| item_package_quantity | 1 | ||||
| number_of_pieces | 1 | ||||
| included_components | Electrical & Heating;Security and Intrusion Monitoring;smoke-detectors | ||||
| batteries_included | Yes | ||||
| batteries_required | Yes | ||||
| battery_cell_type | Alkaline | ||||
| warranty_description | 10 Years Limited | ||||
| customer_reviews |
| ||||
| best_sellers_rank | #16,653 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #50 in Smoke Detectors & Fire Alarms | ||||
| date_first_available | January 16, 2007 |
