Systems and methods of intrusion detection into a rack enclosure are disclosed. An example method may include, extracting a projected light terminator image from a captured image, performing image correction operations on the projected light terminator image, processing the projected light terminator image utilizing image processing operations to determine a corrected projected light terminator image, determining a collection of image segments based on the corrected projected light terminator image, establishing one or more baseline image metrics of the collection of the image segments, evaluating the one or more baseline image metrics for changes with operational image segment characteristics, and communicating any baseline image metric changes to a management device.

An audio/video (A/V) recording and communication device includes a camera, a passive infrared (PIR) sensor, and a light sensor. A method receives a PIR sensor output signal from the PIR sensor, receives image data from the camera, and receives a light sensor output signal from the light sensor. The method determines, using the light sensor output signal and at least one of the PIR sensor output signal and the image data whether to activate recording of the image data, and upon determining to activate recording of the image data, generates an alert. The method transmits the alert to a client device associated with the A/V recording and communication device.

A anti-theft device with a remote alarm feature is provided. The device is configured to attach to an item of retail merchandise and detect when a predetermined motion and light condition are met which together are indicative of a potential retail theft. Upon detection, the device is configured to generate a local alarm, and send a radio frequency to a remote device to generate an alarm at the remote device.

A system for monitoring a petrochemical installation is disclosed. The system can include an optical imaging system comprising an array of optical detectors. The system can comprise processing electronics configured to process image data detected by the optical imaging system. The processing electronics can be configured to detect a target species based at least in part on the processed image data. The processing electronics can further be configured to, based on a detected amount of the target species, transmit an alarm notification to an external computing device over a communications network indicating that the target species has been detected at the petrochemical installation.

Disclosed is a system that performs motion analysis in a field of interest. The system may include at least one gateway disposable proximal to the field of interest. Further, the system may include a plurality of motion sensors. Further, a motion sensor may include a photodetector array, a processor and a wireless transmitter. Further, the wireless transmitter may be configured to transmit the digital information to at least one of a motion sensor of the plurality of motion sensors and the at least one gateway. Additionally, the system may include a plurality of video cameras disposable at a plurality of key locations in the field of interest. Further, at least one video camera may be further configured to transmit a part of a corresponding image sequence to at least one of the remote monitoring center through the at least one gateway.

A anti-theft device with a remote alarm feature is provided. The device is configured to attach to an item of retail merchandise and detect when a predetermined motion and light condition are met which together are indicative of a potential retail theft. Upon detection, the device is configured to generate a local alarm, and send a radio frequency to a remote device to generate an alarm at the remote device.

The present application relates to the field of logistics, discloses an anti-disassembly logistics appliance and anti-disassembly method therefor, realizing the anti-disassembly alarm of a designated module under the premise of simple structure and low power consumption. An anti-disassembly logistics appliance, comprising: a confined space and an anti-disassembly module disposed in the confined space; the anti-disassembly module comprises: one or more photoelectric devices, a wireless communication unit and a determining unit; the determining unit is configured to determine whether an electrical signal output by the photoelectric device is greater than a preset threshold, and if so, triggers the wireless communication unit to transmit an alarm signal; the structure of the confined space satisfies following requirements: the confined space is an light-tight dark space after the anti-disassembly module is installed; during the process of disassembling the anti-disassembly module from the logistics appliance, the light-tightness of the confined space is at least temporarily destroyed to enable the optoelectronic device to detect light.

The disclosure is a connectivity APP loaded in a mobile phone for configuring a linkable security lighting system comprising a plurality of LED security lights installed outdoors, wherein by operating the connectivity APP the plurality of LED security lights are divided into N groups of member security lights to be linked. Each group of member security lights is assigned a group code to be applied to each member security light in the group such that within the group the member security lights are interlinked wirelessly via wireless signals prefixed with the same group code, wherein when a member security light is initiated by a sensing signal for operating an illumination mode, the member security light being initiated acts as a commander to transmit an instruction signal to activate all member security lights belonging to the same group code to synchronously operate the illumination mode.

A method of configuring an LED light with a tunable diffused light color temperature is disclosed. The method comprises using a light-emitting unit configured with a first LED load emitting light with a low color temperature and a second LED load emitting light with a high color temperature electrically connected in parallel, using a light diffuser to cover the first LED load and the second LED load to create a diffused light with a diffused light color temperature, using two semiconductor switching devices working in conjunction with a controller to respectively control a first electric power delivered to the first LED load and a second electric power delivered to the second LED load to operate a color temperature tuning and switching scheme and using a first external control device to output at least one first external control signal to activate a selection of a diffused light color temperature.

A technology for configuring a lifestyle LED light with a tunable light color temperature is disclosed. The technology of tuning the light color temperature is made possible by blending two LED loads emitting light with different color temperatures thru a light diffuser with an arrangement that a first electric power delivered to a first LED load emitting light with a low color temperature and a second electric power delivered to a second LED load emitting light with a high color temperature are reversely and complementarily adjusted for tuning a diffused light color temperature such that a total light intensity generated by the LED light is kept essentially unchanged.