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The Chamberlain Wireless Motion Alert is a Convenient and affordable safety / security system.

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Pros

Works perfectly

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Easy to set up

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Portable

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Excellent detection range

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Cons

Not loud enough

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The Chamberlain Wireless Motion Alert is a Convenient and affordable safety / security system. Perfect for home, property and worksite.

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Features

  • Alerts with light & sound when vehicles or pedestrians are approaching
  • 1/2 mile range from sensor to base unit
  • Easy installation / easy operation
  • Weatherproof outdoor sensor with adjustable sensitivity control
  • Expandable up to 8 sensors
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Frequently Asked Questions

  • Can I buy two sets and have both sensors equally report to either receiver?

    Yes you can. Clear both of the receivers first, and then re-add the sensors. Push "learn" on both receivers before you hit the "learn" button on the sensor. I have two receivers set up this way to receive from the same eight sensors.

  • How do you adjust sensitivity of the motion detector?

    There is switch #1 for distance detection and switch #2 for sensitivity. Factory default of switch #2 is high sensitivity you should switch is to OFF for low sensitivity. Factory default of switch #1 is ON for 30 feet. If you set it on OFF, it would be 15 Feet.

  • I am trying to find additional sensors that have the 1/2 mile range. All I am finding is the 30ft. range. Are the 1/2 mile range sensors available?

    It would appear that you are confusing the two figures. The manufacturer claims that any sensor/s may be placed up to half a mile away from the Base Receiver. This is the range of the 'system'. In other words it is the maximum distance at which the sensor and receiver may be separated and still have the receiver pick up a signal from the sensor, when it's activated. I think that the other '30 ft' 'range' you are referring to is the maximum distance at which the sensor will detect something moving past it (the sensor). In other words, if a car passes the sensor at a distance of fifty feet, the sensor will not react to it.

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