office alarm systems

The photoelectric sensor does the best job in detecting smoldering fires. The First Alert SA320CN Double Battery Powered smoke detector has a loud alarm so it can be heard throughout the house and responded to quickly. Rest at ease, and have the peace of mind that your home is protected with the First Alert SA320CN Double Battery Powered smoke detector. It comes with a 10 year warranty. The First Alert operates with AA batteries and should be checked twice a year for battery life. The Kidde KN COSM B Battery Operated Combination Monoxide detector is a combination smoke and carbon monoxide detector. Carbon monoxide is an odorless and tasteless gas that can kill residents even when low amounts are inhaled. Instead of having both a carbon monoxide detector and a smoke detector, this unit combines the two into one unit. For the smoke detection the unit includes ionization sensing technology, which detects visible fire particles and warns of impending danger. The carbon monoxide alarm goes off if the carbon monoxide levels in your home increase to a dangerous level. The Kidde KN COSM B Battery Operated Combination Monoxide has four verbal warnings including fire, carbon monoxide, low battery and smart hush announcement.

home security surveillance

01.14.2007 | 34 Comments

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wireless burglar alarms

01.14.2007 | 16 Comments

Furthermore, some aspects of the present technology may be performed by the server system 164, a client device 220, and a video source 222 cooperatively. In some implementations, a video source 222 e. g. , a camera 118 or 106 transmits one or more streams of video data to the server system 164. In some implementations, the one or more streams may include multiple streams, of respective resolutions and/or frame rates, of the raw video captured by the camera 118 or 106. In some implementations, the multiple streams may include a “primary” stream with a certain resolution and frame rate, corresponding to the raw video captured by the camera 118 or 106, and one or more additional streams. An additional stream may be the same video stream as the “primary” stream but at a different resolution and/or frame rate, or a stream that captures a portion of the “primary” stream e. g. , cropped to include a portion of the field of view or pixels of the primary stream at the same or different resolution and/or frame rate as the “primary” stream. In some implementations, one or more of the streams are sent from the video source 222 directly to a client device 220 e. g.