HiLetgo HC-SR501 PIR Infrared Motion Sensor Module

This 3-pack of HiLetgo HC-SR501 PIR Infrared Motion Sensor Modules is brand new and of good quality. Designed for Arduino and Raspberry Pi, these modules are ideal for security products, human body sensor toys, and industrial automation. They can automatically control various devices such as lights, buzzers, automatic doors, and fans. Especially suitable for enterprises, hotels, shopping malls, warehouses, and family aisles, these sensors enable automatic lighting and alarm systems in sensitive areas.