Motion detectors to secure your home

Motion detectors are essential for detecting movement in protected zones and triggering alarms or lights. They provide proactive monitoring for interiors, garages and perimeter areas when positioned and configured correctly.

Types and selection criteria

PIR (passive infrared) sensors detect body heat and are effective indoors, while dual-technology devices combine PIR with microwave sensing to reduce false triggers. Choose sensors with adjustable sensitivity and pet immunity if you have animals to avoid nuisance alarms. Consider range and mounting height to optimise coverage.

Installation best practices

• Positioning: Mount at corners to maximise detection cones.
• Height: Install at recommended heights for accurate coverage.
• Environmental factors: Avoid direct sunlight, heating vents or reflective surfaces.
• Power and connectivity: Check battery life for wireless units and signal strength for connected systems.
• Integration: Ensure compatibility with your alarm panel or smart home setup.

Refurbished motion detectors can be a cost-conscious choice if certified and tested. Regular maintenance, firmware updates and sensitivity checks will help keep false alarms low and ensure timely alerts when movement is detected, giving you greater peace of mind.