8CH Follow Sensor Module 8 Channel Tracking IR Infrared Detector for #yr

Mini MH-SR602 SR602 PIR Infrared Motion Sensor Detector Module For #F12

2PCS TCRT5000 IR Infrared Line Track Follower Sensor Obstacle Avoidance Module *

1pcs IR Infrared Obstacle Avoidance Sensor Module for Smart Car Robot #F13

IR Infrared Slotted Optical Speed Measuring Sensor Optocoupler Detect Module #yr

Mini MH-SR602 SR602 PIR Infrared Motion Sensor Detector Module For *gi

1pcs IR Infrared Obstacle Avoidance Sensor Module for Smart Car Robot #F14

Auto induction Infrared Photocell Alarm Detector Sensor Auto Gate Safe Detector