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A motion detector may be among the sensors of a burglar alarm that is used to alert the home owner or security service when it detects the motion of a possible intruder. Such a detector may also trigger a security camera to record the possible intrusion. Motion controllers are also used for video game consoles as game controllers.
Surveillance cameras used in houses are IP cameras or closed circuit. IP cameras connect over the internet and stream to users’ phones using a Wi-Fi connection. Closed-circuit, or CCTV cameras, stream through wired or wireless links. [9] These cameras stream live footage to users, allowing them to watch for suspicious activity.
Analog wireless is found in three frequencies: 900 MHz, 2.4 GHz, and 5.8 GHz. Currently, the majority of wireless security cameras operate on the 2.4 GHz frequency. Most household routers, cordless phones, video game controllers, and microwaves operate on the 2.4 GHz frequency and may cause interference with a wireless security camera.
The technology typically found in motion sensors to trigger an alarm includes infrared, ultrasonic, vibration and contact. Dual technology sensors combine two or more forms of detection in order to reduce false alarms as each method has its advantages and disadvantages. Traditionally motion sensors are an integral part of a home security system.
Activated and viewable via smartphone, it doubles as both a webcam for chatting and a security camera with recording capabilities. The camera automatically records whenever it detects movement in view. [8] In June 2015, Xiaomi launched a night vision edition of the Yi Camera with a 940 nm infrared sensor. [9]
These cameras are intended to be strapped on trees or mounted on tripods (or other items), and they are motion-activated. This motion sensor enables the camera to capture images or videos of animals without using up all of its storage space. [8] However, lots of photos of waving plants and moving water can clog up memory cards. [9]
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