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SITERWELL Smoke Alarm , Smoke Alarm with Photoelectric Sensor an

$37

SITERWELL Smoke Alarm , Smoke Alarm with Photoelectric Sensor an

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Product Description

11

10 Year Use Time

The battery of GS528A is one year replaceable battery. But the product can be 10 years life time which is longer than other smoke detectors.

22

Low Battery Warning

If low battery there will be a signal alarm, which will recall you to change a new battery, then the smoke detectors will work as usual.

33

Easily Install

No hardwired anymore, very convenient to install at home or bedroom - wall mount, screws included.

44

LED Light

If an alarm occurs, the red ring light will light up which can remind you that something happened.

11

22

33

44

1 2 3 4 5
GS528A GS526A GS508C GS521C GS522C
SIZE φ 3.94 * 1.52 in φ 3.94 * 1.34 in φ 3.94 * 1.38 in φ 2.76 * 1.40 in φ 2.82 * 1.35 in
Detection Type Smoke Smoke Smoke Smoke Smoke
Product Life 10 Years 10 Years 10 Years 10 Years 10 Years
Battery Life 1 Year 10 Years 10 Years 10 Years 10 Years
Test Button ✓ ✓ ✓ ✓ ✓
Red LED Light ✓ ✓ ✓ ✓ ✓
Low Battery Warning ✓ ✓ ✓ ✓ ✓
Standards UL 217 UL 217 UL 217 UL 217 UL 217

SITERWELL Smoke Alarm , Smoke Alarm with Photoelectric Sensor an

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