Firstrate FST600-400A non contact online infrared temperature sensor 4 20mA Thermocouple Infrared Temperature Sensor buy it!
$68.00-$86.00
Pir Infrared Motion Sensor 180 Degree 12m Distance Wall Mounted for Lights buy it!
$2.88-$3.79
Photoelectric Sensor Relay Electrical Proximity Switch Adjustable Infrared E3JK Photocell Optical Sensor buy it!
$4.00-$4.50
Ceiling and adjustable infrared motion sensor buy it!
$2.25-$2.70
Omron Digital Infrared E3Z-R61 Reflection Photoelectric Sensor
$21.50-$26.00