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Description
Photoelectric Smoke Alarm with Plug-In Line Cord, ADA Strobe and Battery BackupThe 7139LS is a 120VAC with 9VDC battery back up photoelectric smoke alarm designed to give reliable early warning of the presence of smoke where both audible and visual alarms are required. The 7139LS a 9 ft. plug in line cord for ease of installation in any space where a visual alarm is required. Fully insect screened. California residents see Prop 65 WARNINGS 120 VAC with 9VDC battery back up 90dBA temporal 3 evacuation piezo horn with 3100Hz
The 7139LS is a 120VAC with 9VDC battery back-up photoelectric smoke alarm designed to give reliable early warning of the presence of smoke where both audible and visual alarms are required. The 7139LS a 9 ft. plug-in line cord for ease of installation in any space where a visual alarm is required. Fully insect screened.- California residents
- 120 VAC with 9VDC battery back-up
- 90dBA temporal 3-evacuation piezo horn with 3100Hz (nominal) horn frequency
- On-site washing program
- Nominal 2.5% sensitivity
- 3-position test switches
- Low or missing battery indicator
- 9 ft. plug-in line cord
- 1-year warranty from date of purchase
Features
| Item Weight | 1.75 |
| Commercial/Residential | Commercial,Residential |
| Voltage (volts) | 120 |
| Fixed or portable | Fixed |
| Connector/Contact Type | 4-Wire |
| Alarm Type | Smoke |
| Pack Size | 1 |
| Power Source | Hardwired |
| Battery Type Required | 9-volt |
| Returnable | 180-Day |
| Alarm/Detector Features | Battery Back-Up,Strobe Light,Tamper Resistant |
| Alarm Sensor Type | Photoelectric |
| Included | Batteries,Battery Back-Up |
| Product Height (in.) | 5.5 |
| Product Depth (in.) | 4.75 |
| Product Width (in.) | 5.5 |
| Certifications and Listings | UL Listed |
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
4.1 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Bought for my grandson's birthday next month.
Format: Paperback
Hopefully my grandson will like this book. He is advanced in his reading skills. Loves the Simpsons comics!
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Reviewed in the United States on July 16, 2023
★★★★★ 4
Comic Book review
Format: Paperback
Can say this was a good comic. Shows a side story of Malibu Stacy and really fun times with Simpsons in some Latin American country and really who knows Marge actually being some judge.
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Reviewed in the United States on January 12, 2017
★★★★★ 5
exceeded expectations
Format: Paperback
I received this comic book within 10 days of submitting my order. I'm very pleased with the condition of the book - It looks like new! The seller was very accurate with the description. I'll be a repeat customer! It's entertaining reading material for a hard-to-buy-for middle schooler!
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Reviewed in the United States on February 25, 2011
★★★★★ 5
Five Stars
Format: Paperback
Great Simpsons pass time entertainment
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Reviewed in the United States on June 8, 2016
★★★★★ 5
Accessible and insightful guide to project management
Format: Kindle
"Project Management Mastery" describes the science and art of project management in a highly accessible and insightful way. This guide is written in understandable language for beginners and can also be a refresher for seasoned project managers. The guide fully describes the concepts of planning, execution, monitoring and control, and closure.
Each chapter layers new information upon the foundations of the previous chapters by addressing basic concepts and building on details. This book uses project management terminology, but defines it so the concepts are clear, not fuzzy.
Also discussed in depth is the importance of team members' responsibilities and accountability, and the importance of team motivation.
There is a detailed exploration of the differences between various project management methodologies, such as Agile, Waterfall, SCRUM, Kanban and other models.
Also described is the methodology of PRINCE2, used primarily in the UK and Europe, as well as hybrid project management models. There is guidance on which methodology works best for the project being planned.
The guide also addresses the impacts and benefits of how using AI might impact the completion of routine tasks in the project management lifecycle.
Also included is a comprehensive list of references at the end, for those wanting to dive deeper into the subject.
Overall, this is a great guide for new project managers, as well as a solid refresher for those reentering the field, or looking for an updated perspective.
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Reviewed in the United States on June 24, 2023