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SITERLINK Smoke Detectors,UL217-9th Listed Smoke Alarms with Replaceable Battery,Photoelectric Sensor Smoke Detector with Test-Silence Button,Fire Detectors for Home,House,GS509A 8-Pack
✅ In stock
F
Grade
Analysis Confidence
61%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Dec 10, 2025 1:07 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰At 11% off its standard going rate, this offer delivers clear value for the money.
- 🏷️A 35% cut from the official retail price adds further appeal.
- 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
12.4/28
Recent Value
0/22
Market Standing
4.35/20
Deal Strength
1.5/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Siterlink
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓FAST SMOKE ALARM, ENHANCE THE CHANCE OF ESCAPE: Adopting the exclusive trumpet-type 360 ° no dead-angle smoke cage technology, so that the smoke gathers faster, the alarm finds the danger earlier, 85 decibels of volume (like the sound of a car hooter) passes quickly convey the room to accelerate the evacuation of the family, especially at night.
✓REDUCE FALSE ALARMS, ENSURE ACCURACY: the use of dual light wave detection technology, can accurately determine the smoke generated by non-fire, this smoke alarm will be on the temperature, humidity, dust or other changes in the independent AI learning to compensate for the maintenance of constant sensitivity, reduce the rate of false alarms.
✓ONE BUTTON MUTE 10 HOURS, REDUCED DISTURBANCE: No more worrying about sudden low voltage and faulty alarm sound,we have 10 hours mute function, when we are sleeping or can't deal with it in time, press the test/silence button, you can prolong to change the batteries or deal with the cause of the false alarm.
✓QUICK AND EASY INSTALLATION: Battery operated smoke alarms require no rewiring and can be installed in seconds using the included adhesive magnetic pads or easily mounted on a wall or ceiling using the included screws, anchors and mounting brackets. Please do not install in damp, drafty, covered areas.
✓TRUSTED SMOKE ALARM: Our products are professionally ETL-9th certified and meet UL-9th standards. According to statistics, a fire occurs every 38S in the U.S. Installing professional smoke alarms is important for preventing fires, improving survival rate and safeguarding life and property.
✓COMPLIANCE WITH REGULATORY: California stipulates that all new residential constructions and major renovations must install smoke detectors that comply with the latest standards (such as UL217 8th Edition), and requires all installations to be completed by June 2025.
⚙️ Specifications
Brand
SITERWELL
Style
Replaceable Battery(NEW)
Power Source
Battery Powered
Product Dimensions
3.93"D x 3.93"W x 1.38"H
Sensor Type
Photoelectric
Manufacturer
SITERWELL ELECTRONICS CO.,LIMITED
UPC
725576461047
Item Weight
3.72 pounds
Item model number
GS509A
Size
8 PACK
Batteries Included?
No
