The most prominent positive feature of this alarm is that it has a very long range. Its sensors can connect with its receiver from as far as half a mile away, making it an excellent choice for monitoring large areas.
It its simple structure and design, it is highly accurate, easy to install, and reasonably priced for its features.
Effortless to install and set up
Affordable compared to similar products
Long half-mile range
Offers alternative sources of power -- battery or connect it to a power outlet
Expandable and can accommodate signals from as many as four sensors
Too sensitive, leading to false positives
The volume cannot be adjusted
Reports of inaccurate car detection
Susceptible to the elements and can wear out due to prolonged exposure
Although this alarm comes with a single passive infrared motion sensor and receiver, its system can be expanded to accommodate up to 16 sensors and many receivers from other home security systems.
Another versatile feature is that users can select from over 30 alert tones. It detects movement from as far as 40 feet away and can transmit up to a quarter of a mile. A small red light comes on when the sensor detects movement.
It is highly durable and comes with a lifetime warranty. Its sensor is designed to be weather resistant, and the receiver comes with a rechargeable backup battery.
The Dakota driveway alarm is perfect for users who want more advanced vehicle detection. The alarm has a probe-style design that you install in the ground to detect vibrations produced by metal objects (e.g. vehicles).
It comes with about 50 feet of wire for underground installation, enabling transmission over long distances – good for those with a large amount of space between their homes and the end of their driveway. Its electromagnetic probes and passive infrared motion sensors make it excellent for monitoring your property.
Good for large properties
Relatively low cost
Underground sensor has a short cable length that restricts how far it can be positioned from its receiver
Short transmission range
Not wireless and may need some technical expertise to install
The Rodann Wireless Driveway alarm is excellent at detecting human or animal movement across an area because its reads thermal output produced by living things rather than listening for vehicular vibrations.
It has the most extended passive infrared motion sensor range of all the listed alarms, but has a short sensor-receiver range. It is best installed closer to the house.
The most distinctive feature of this alarm is the LCD counter on its receiver which tabulates the number of bodies detected until the user resets it.
Longest passive infrared sensor range
Expandable with extra external sensors
LCD counter notes how many times the alarm has been triggered