ITEM NAME:HC-SR505 IR Infrared Motion Human Sensor Detector Module Fit for Arduino #gib Store Home Promotion Hot Item Add to Fav.HC-SR505 Mini IR Infrared Motion Human Sensor Automatic Detector Module Fit for Arduino DC4.5V-20V. 1 x HC-SR505 Mini Infrared Sensor Module. Full automatic induction: when a person enters its induction range, it outputs a high level, while when a person leaves the range, automatically closes the high level and outputs a low level.
