limitless products Pack oF 2 HC-SR505 Mini Infrared PIR Motion Sensor Infrared Detector Module Electronic Components Electronic Hobby Kit

The module is basically used in applications where you want to detect the motion of a body which emits infrared radiations. HC-SR505 is preferred to be used in battery operated systems since the device is specifically designed to be operated by consuming very less power. Because of its small size the module can be installed in applications where the system size is taken in to consideration.