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Smart Home Wireless Heat Detector

Dual Battery Hardwired Smoke Alarm

Dual battery hardwired smoke alarms are smoke detectors that use photoelectric and ionization sensors to detect different types of fires. Photoelectric sensors detect smoldering fires, while ionization sensors detect fast-burning fires. Some dual-battery hardwired smoke alarms also have a backup battery to help the alarm function during a power outage.Dual sensor alarms are recommended as they offer the best protection.

This product is a photoelectric smoke alarm with AC 220V-240V 50Hz and DC 9V alkaline battery back up.

Dual-battery wired smoke alarms are more reliable than battery-only smoke alarms because they have two power sources: 240V main power and a backup 9V battery. This redundancy reduces the chance of a complete alarm failure, and hardwired smoke detectors are 12% more capable of continuing to operate during a house fire than battery-operated detectors.

Some Advantages of Dual Battery Hardwired Smoke Alarms：
Connected: When one smoke alarm detects a fire, all smoke alarms sound an alarm, ensuring everyone in the property is alerted.
Easy to install: Hardwired smoke detectors are easier to install than battery-operated alarms.
Reliable: Hardwired smoke detectors are more reliable than battery-operated alarms.
Safety: Hardwired smoke detectors are safer than battery-operated alarms.
You should test your backup batteries at least twice a year to make sure they are working properly.

910A功能细节

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In which rooms should I install smoke alarms?

Please check your local building, fire or life safety codes for your specific requirements or call your local fire department. But generally speaking, smoke alarms need to be installed:

Inside every bedroom, outside every sleeping area (such as hallways), and on every level of the home, including the basement.
On floors without bedrooms, install an alarm in the living room (or den or family room) or near the stairs leading to the upper level, or both.
Smoke alarms installed in basements should be installed in the ceiling at the bottom of the stairs leading to the next level.
Larger homes may require additional smoke alarms

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How to reduce unnecessary alerts?

If your house layout requires you to place a smoke alarm near cooking appliances or at the bathroom door, there are a few things to remember to reduce unnecessary alarms.

To reduce unnecessary alarms while cooking, you should place the alarm at least 20 feet (6.1 meters) from the cooking equipment. If the alarm is photoelectric, has a silent button, or is listed as resistant to common cooking fumes, you can place it 10 feet (3.0 meters) away from the cooking equipment.