A wireless Passive Infrared (PIR) motion sensor, typically used as part of a home security or alarm system. Key features and components: PIR Motion Sensor Unit: This is the main component, designed to detect movement by sensing changes in infrared radiation (heat) within its detection area. It is depicted as a white, rectangular device with a prominent lens. Mounting Bracket: A separate, smaller white piece is included, which is used to securely attach the motion sensor to a wall or other surface. Instruction Manual/Packaging: A blue and white box or manual is visible, likely containing instructions for installation and operation of the sensor. Wireless Operation: As indicated by "Wireless" in related product descriptions, this sensor communicates wirelessly with a control panel or alarm system, eliminating the need for extensive wiring. Functionality: When armed, the sensor detects movement within its range and triggers an alarm or sends a notification to a connected system