Ads
related to: driveway alarm with multi sensors and monitor box- DIY Home Security Systems
Best DIY Security Systems of 2025
Compare 2025's 10 Best Systems
- Best Alarm Systems
Compare the Best Systems for You
And Protect Your Family and Home
- Best Security Doorbells
Top 10 Home Security Doorbells
Review 2025's 10 Best Services
- Best Security Cameras
Check out these powerful home
security cameras
- Affordable Security
Save Big with the Most Affordable
Home Security Packages Today!
- Business Security Systems
Compare 2025's 10 Best Services
The Best Business Security 2025
- DIY Home Security Systems
Search results
Results From The WOW.Com Content Network
The sensor is used to detect people or vehicles on the driveway and the receiver is the device which alerts the user or owner to this detection. Wireless driveway alarms consist of three components, the sensor, receiver and a transmitter which sends the wireless alert signal to the receiver. [citation needed]
Driveway alarm systems can be combined with most security and automation systems. They are designed to alert residents to unexpected visitors, intruders, or deliveries arriving at the property. Types of driveway sensors include magnetic and infrared motion sensors. Driveway alarms can be found in both hard-wired and wireless systems.
Motion sensors create zones which cannot be accessed without sounding an alarm. Most cameras do now have a motion detection function, with some brands having thermal detection so they only activate when sensing a heat signature. This function is used so cameras do not pick up false alarms from trees blowing in the wind. [11]
ADT began to expand into new areas, such as fire alarms and security alarms, between 1910 and 1930, but was kept separate from AT&T's Holmes alarm business. ADT became a publicly traded company in the 1960s. [12] In 1964, ADT was found to be a monopoly in restraint of trade. It was shown to provide almost 80% of the central station alarm ...
A fence-mounted perimeter intrusion detection system installed on a chain link fence. A perimeter intrusion detection system (PIDS) is a device or sensor that detects the presence of an intruder attempting to breach the physical perimeter of a property, building, or other secured area.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Ad
related to: driveway alarm with multi sensors and monitor box