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A motion detector attached to an outdoor, automatic light. A motion detector is an electrical device that utilizes a sensor to detect nearby motion (motion detection).Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.
A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors . PIR sensors are commonly used in security alarms and automatic lighting applications.
The LaView Bulb Security Camera also has a wide field of view of 355 degrees and can catch motion up to 17 feet away. It will alert you to any motion and automatically track the activity as long ...
A complete sensor consists of a motion detector, an electronic control unit, and a controllable switch/relay. The detector senses motion and determines whether there are occupants in the space. [9] It also has a timer that signals the electronic control unit after a set period of inactivity.
For example, if a motion detector trips in one area, the signal is recorded and the central-station monitor notifies the customer. A second alarm signal—received in an adjacent zone within a short time—is the confirmation the central-station monitor needs to request a dispatch immediately.
Smart switches, motion detectors, and other accessory devices such as the Hue HDMI sync originally used only the Zigbee Home Automation protocol, but later supported Zigbee 3.0. Hue system components can be controlled over the Internet, typically by smartphone apps over cellular or WiFi networks, or a Home Automation voice command interface.