dfri_sensor_detection_pattern.png

Dual Frequency

reading ensures  accurate motion 

detection-compared to industry's 

standard 

"Single Frequency"

1½ cups

Butter

Patented

Dual Frequency Infrared 

DFIR

TM

Reduced

False

Alarm

caused by standing heat

80 lb Pet Immunity

Gear Wheel

 Security Technology

System Components

 

Indoor Detector

 

Outdoor Detector

 

Museum & Banks