Honeywell Home DT8050V Wired DUAL TEC Motion Sensor, 53' x 72' Range, (Replaces DT8050)
What is a dual tech motion sensor?
Amazon.com : DSC PG9984P PowerG Wireless Dual Tech Motion Detector with Pet Immunity Up to 85lbs, 49 ft. / 90° Coverage Area, Front and Back Tamper, Anti-Masking Technology, Low Battery Indication : Electronics
Clipsal - Motion Sensor, Occupancy Sensor 752 series - Dual-technology - PIR and ultrasonic - Indoor - 360 degrees - Two-channel - 240 V
2pcs Super Quality Outdoor IP65 Wired Dual PIR+MW Alarm PIR Sensor Anti-Masking,Wide Angle Pet Friendly PIR Motion Detector - AliExpress
Buy Wholesale Taiwan Dual Tech Pir + Microwave Motion Sensor, Optional Pet Immune Extra Long Range Rf Model & Pir + Microwave Motion Sensor | Global Sources
Dual Technology & PIR Sensors: What is the Difference? - YouTube