Compact PIR Motion Sensor Home Alarm

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About This Type of Product

A PIR (passive infrared) motion sensor alarm detects movement in a room and sounds an audible alert. It’s a simple, battery-powered awareness tool that can be placed near doorways, hallways, or entry points where you want to be notified of activity.

Who May Find This Useful

• Seniors living alone who want an extra layer of home awareness
• Carers who want to be alerted when a loved one moves around at night
• Families wanting a simple, low-cost alert for specific rooms or entry points
• Anyone wanting a basic motion alert without a full alarm system

What to Look for Before Buying

• Detection range — most PIR sensors cover 5–8 metres; check the product listing for the specific range
• Alert volume — ensure the alarm tone is loud enough to be heard from another room
• Sensitivity adjustment — adjustable sensitivity reduces false triggers from pets or air movement
• Battery type — check what batteries are required and whether they are included
• Mounting options — most models include adhesive or screw mounting

Safety Considerations

A motion sensor alarm is an awareness aid, not a substitute for a professional security or monitoring system. Position it at a height that avoids triggering from pets if needed. Test the alarm regularly to confirm it is working.

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