SITERWELL

SITERWELL Smoke Detector 9V Battery Operated with Photoelectric Sensor & Low-Battery Warning, Easy to Install Fire Detectors, UL217 10th Edition Listed,GS509A, 4 Packs

Name: SITERWELL Smoke Detector 9V Battery Operated with Photoelectric Sensor & Low-Battery Warning, Easy to Install Fire Detectors, UL217 10th Edition Listed,GS509A, 4 Packs
Brand: SITERWELL
SKU: SPH-B0GYRT59C3
Price: 145.26 USD
Availability: InStock

$145.26 USD

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Product Details

About This

【UL217-10th Certified】The GS509A photoelectric smoke detector meets UL217-10th Edition standards. Its advanced sensor is highly sensitive to slow-smoldering fires—giving you early detection when every second counts.
【10-Year Product Lifespan】Engineered for 10-year long-term reliability, this battery-powered smoke alarm operates on a standard 9V battery with a 1-year replacement cycle. No frequent battery changes or complicated maintenance—one simple setup brings continuous home fire safety.
【Smart MCU Design】Built with a precision photoelectric chamber, high-sensitivity IR LED and photodiode, this battery fire alarm delivers fast smoke response. The intelligent MCU microprocessor supports automatic sensitivity calibration and compensation, maintaining stable detection performance even after years of use.
【85dB Loud Alarm & Multi Safety Protections】Emits an >85dB(A) loud alarm at 3 meters, loud enough to alert you through large rooms or wake deep sleepers. Features low battery reminder, convenient hush function for false alarms, and fault code warning to ensure you’re always aware of its working status.
【Easy Installation】This battery-operated alarm mounts easily on any wall or ceiling. The upgraded magnetic design provides a secure fit—no drilling, no mess, no hassle. Ideal for houses, apartments, senior-friendly homes, and rentals

Overview

Brand : SITERWELL
Power Source : Battery Powered
Color : White
Product Dimensions : 3.93"D x 3.93"W x 1.37"H
Alarm : Audible
Operating Humidity : 10~95% RH non-condensing
Upper Temperature Rating : 100 °F
Material : ABS
Number of Items : 1
Manufacturer : SITERWELL ELECTRONICS CO.,LIMITED

Shipping & Delivery

We currently ship within the United States only.

Order processing typically takes 3–5 business days, followed by an estimated 3–8 business days for delivery. The total estimated delivery time is 6–13 business days, excluding weekends and public holidays. A different timeframe may apply if stated on the product page before purchase.

Delivery dates are estimates, not guarantees. Shipping charges are shown at checkout.

See our Shipping & Delivery policy for full details.

Returns & Refunds

You may request a return within 30 days of receiving your item. Contact us before sending anything back.

For eligible change-of-mind returns, items must be unused and in their original condition, with tags, packaging, and accessories. Return shipping costs are your responsibility. We do not charge a restocking fee.

If your item arrives damaged, defective, or incorrect, contact us so we can review the issue and arrange a resolution. We cover required return shipping for confirmed issues.

Some exclusions apply. See our Returns & Refunds Policy for full details.

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SITERWELL Smoke Detector 9V Battery Operated with Photoelectric Sensor & Low-Battery Warning, Easy to Install Fire Detectors, UL217 10th Edition Listed,GS509A, 4 Packs

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Details

About This

【UL217-10th Certified】The GS509A photoelectric smoke detector meets UL217-10th Edition standards. Its advanced sensor is highly sensitive to slow-smoldering fires—giving you early detection when every second counts.
【10-Year Product Lifespan】Engineered for 10-year long-term reliability, this battery-powered smoke alarm operates on a standard 9V battery with a 1-year replacement cycle. No frequent battery changes or complicated maintenance—one simple setup brings continuous home fire safety.
【Smart MCU Design】Built with a precision photoelectric chamber, high-sensitivity IR LED and photodiode, this battery fire alarm delivers fast smoke response. The intelligent MCU microprocessor supports automatic sensitivity calibration and compensation, maintaining stable detection performance even after years of use.
【85dB Loud Alarm & Multi Safety Protections】Emits an >85dB(A) loud alarm at 3 meters, loud enough to alert you through large rooms or wake deep sleepers. Features low battery reminder, convenient hush function for false alarms, and fault code warning to ensure you’re always aware of its working status.
【Easy Installation】This battery-operated alarm mounts easily on any wall or ceiling. The upgraded magnetic design provides a secure fit—no drilling, no mess, no hassle. Ideal for houses, apartments, senior-friendly homes, and rentals

Overview

Brand : SITERWELL
Power Source : Battery Powered
Color : White
Product Dimensions : 3.93"D x 3.93"W x 1.37"H
Alarm : Audible
Operating Humidity : 10~95% RH non-condensing
Upper Temperature Rating : 100 °F
Material : ABS
Number of Items : 1
Manufacturer : SITERWELL ELECTRONICS CO.,LIMITED

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Frequently Asked Questions

Where can I find product specifications?

Select “View Product Details” to see each product’s specifications, available options, and included items. Check compatibility and usage instructions before ordering.

Where can I find shipping information?

We currently ship within the United States only. Shipping charges are shown at checkout. Please see our Shipping & Delivery page for processing and estimated delivery times.

How do I request a return?

You may request a return within 30 days of receiving your item. Contact us before sending anything back. Eligibility, exclusions, and return shipping costs are explained in our Returns & Refunds Policy.