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Description
First Alert BRK 7020BSL Hardwired Hearing Impaired Smoke Detector with LED Strobe LightHardwired LED Strobe Light Smoke Alarm with 10 Year Sealed Battery The First Alert Hardwired LED Strobe Light Smoke Alarm with 10 Year Sealed Battery features a powerful LED strobe thats proven to be extremely efficient in providing assistance for individuals with hearing impairments. The intuitive use of a Smart Strobe light carries the ability to distinguish between Smoke Heat and CO dangers. First Alert Hardwired LED Smoke Alarms include a wide
Hardwired LED Strobe Light Smoke Alarm with 10-Year Sealed Battery
The First Alert Hardwired LED Strobe Light Smoke Alarm with 10-Year Sealed Battery features a powerful LED strobe that’s proven to be extremely efficient in providing assistance for individuals with hearing impairments. The intuitive use of a Smart Strobe light carries the ability to distinguish between Smoke/Heat and CO dangers. First Alert Hardwired LED Smoke Alarms include a wide compatibility range and can be interconnected with First Alert and BRK Smoke, CO, Smoke/CO Combination and Heat alarms (up to 18 detectors, 12 can be smoke alarms).
First Alert's Hardwired LED Strobe Light Smoke Alarm uses a photoelectric smoke sensing sensor that provides optimal protection from smoldering fires. Photoelectric smoke alarms also reduce the likelihood of false alarms like those caused from cooking fires and shower steam from sounding. This hearing impaired smoke alarm meets UL Standards and fulfills the requirements of the American with Disabilities Act.
This Hardwired LED Strobe Light Smoke Alarm is for you if:
- You need to install a smoke or CO alarm for the hearing impaired that meets ADA requirements.
- You already have or are purchasing First Alert compatible hardwired smoke or carbon monoxide alarms.
Where to place Hardwired LED Strobe Light Smoke Alarms:
- One should be placed in the bedroom of every hearing impaired person. Additional strobe light smoke alarms should be installed in any room where a hearing impaired person may be present.
- This would include residential and institutional applications such as sleeping rooms of hospitals, hotels, motels, public housing dormitories and other multifamily dwellings.
PRODUCT DETAILS
- AC Powered with 10-Year Sealed Battery Backup
- Photoelectric smoke sensing technology provides optimal protection from smoldering fires
- Integrated Smoke Alarm & Strobe Light saves time & money! Requires only one junction box
- Smart Strobe - Separate flash patterns to distinguish between smoke and carbon monoxide
- Powerful 177 Candela Synchronized LED Strobe Light provides visual warning for hearing impaired residents
- 1Hz Flash Rate meets ADA, ANSI 117.1, NFPA 72 and UL STD 1971 requirements for visual signal devices
- Strobe Signal Synchronization - When multiple units are installed, strobes flash in unison
- Can be interconnected with First Alert and BRK smoke, CO, smoke/CO combo and heat alarms (up to 18 devices)
- Optipath 360 Technology provides 360° of direct access to the smoke sensing chamber
- Slim Design - Attractive low profile design mounts easily on ceiling or wall
- 10 Year Sealed Battery supplies power to the alarm in a power outage and prevents tampering/removal
- 120vac hardwired, "Quick-Connect" wiring for easy installation
- Product Dimensions (LxWxH): 5.5 x 3 x 5.5 in
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 839 reviews
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Product Reviews
★★★★★ 4
Well written. Funny...out loud gafawing funny. Fun. Well crafted plot. Wonderful characters.
Format: Kindle
What a lovely surprise!
A well written, well plotted. Funny. Fun. Mystery with two fresh and fine friends...Lady Hardcastle and Flo Armstrong , her erstwhile Lady's maid, Servant, Strong Right Hand Woman and friend...and...Inspector Sunderland, who finds the two so innovative and essential to the investigation of Two Murders and Some serious thefts that he is determined, and says so, that whenever they can he desires them to assist in future!
I so enjoyed this first book in the series I invested in the next four...so far!...in the series.
What fun...the women and now the Detective Inspector, as well, have such comical and engaging exchanges one finds herself (me) laughing so heartily she needs to pause and wipe her eyes repeatedly as she reads the story!
Would highly recommend this series to anyone who loves a good, well plotted mystery and a giddy, heartfelt laugh...well, series of laughs, at the same time.
Dialogue is often funny...though murder and mayhem are not!...and this is a careful blend of both....just sayin'.
What a wonderful edition to a huge genre of cozy and some not so cozy mystery books.
I recommend this series.
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Reviewed in the United States on June 7, 2024
★★★★★ 5
a quiet life???
This is a short story collection like Sir Arthur Conan Doyle and Agatha Christie have for Holmes and Poirot/Marple.
The characters remind me of the Phryne Fisher books. There are four stories in Book 1
A Quiet Life in the Country
Lady Emily Hartcastle and her maid Miss Florence Armstrong are enjoying some time in the country in the small
town of Littleton Cotterell when they come across a dead body. They find out that it is Frank Pickering, a local man
and it is thought that he committed suicide. But investigating, it seems that he has been murdered. Who
did it and why?
The Circus comes to town
Lady Hartcastle meets an old friend George who is the manager who for a circus that has come to
town. The next day, the juggler Hubert 'Huey' Parving is found dead mawled in a cage and then
others began to die. Who is behind this?
The Case of the Missing Case
Lady Hartcastle and Flo go to the engagement party of young Clarissa Farley-Strouds. The
next day, Nelson Holloway, the trumpet player with that night's entertainment - Roland Richman's
Ragtime Revue. Who killed him? As they investigate, the clues lead them to possible cursed
stolen jewel.
The Half-Death of Gunther Ehrlichmann
Florence recounts her life before and after meeting Lady and Lord Hartcastle as she and
Lady Hartcastle along with Lady Hartcastle's brother hunt down a killer.
Each story is tied into the other, but exciting! Must read!
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Reviewed in the United States on May 20, 2016
★★★★★ 5
Great read!
Format: Kindle
Absolutely enjoyable read. Great characters, can't wait for their next adventure!
If you like enjoyable fast reads a good mystery and some delightful laughs this series is for you!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
★★★★★ 4
Fun Seeing Where it All Begins for the Fantastic Amateur Detecting Duo
Format: Audiobook
I started with book three in this series, progressed forward, and finally took the opportunity to go back and get the first book in the series. The whimsical, cozy mystery paired with historical Edwardian setting was light and whimsical.
Actually, when I started listening, I realized that the first book introduced Lady Hardcastle and her ladies' maid, Florence Armstrong along with their new home and the other regular characters, in such a way that it didn't feel like the first book so much as the first of the stories that had been recorded. There are hints of their unusual, dangerous work abroad and no big explanation why the pair happened to be set upon 'a quiet life in the country' or why Lady Hardcastle and Florence have a relationship that is nearly family rather than an employer and servant from separate classes. The author trickles out the details and the reader/listener must catch them and piece them together as they go. Because I had experienced later books, those pieces stuck out easily to me. The meeting with Inspector Sunderland and the local villagers and neighborhood was fun.
There are two murder mysteries that have interesting crossover people and facts. One seems to involve a dead man from the village cricket team whose death was meant to appear like a suicide and then later, the death of a rag-time band trumpeteer that played at the engagement party of the local squire's daughter. A theft is tossed in for good measure.
I figured out one of the murders and part of the theft and the second murder, but the ultimate solution took me by surprise. Loved seeing the intrepid Flo able to get in some of her martial arts ability and spend time trailing along as they teased out the solution along side Inspector Sunderland.
Elizabeth Knowelden is an absolute gem of a narrator and the voice of this series for me. She laid out the Edwardian country village world, the variety of genders and accents, and kept the pace and tone for this series just right.
All in all, I thought this first entry was as fabulous as the later books and do not hesitate to put it out there as a good bet for historical cozy mystery lovers.
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Reviewed in the United States on March 22, 2019
★★★★★ 5
Must read!!!!
Format: Paperback, Format: Paperback
Surprise plot intertwined with story of loss, grief, family and sibling relationships. The book starts off normally and twists and turns. Could not put book down. Great writing and plot development. Can’t wait to read more by this author.
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Reviewed in the United States on May 25, 2026
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