
Product Description Garage door monitor set. Notifies you when a garage door is open. Supervised Sensor: monitors the sensors and their battery condition automatically. GM-318R can work with up to 4 sensors. (additional sensors sold separately) Both audio and visual indicators. Operating range: 300 feet. Easy to set up. FCC/IC approved. One year warranty.
- Supervised Sensor: monitors the sensors and their battery condition automatically
- GM-318R can work with up to 4 sensors. (additional sensors sold separately)
- Both audio and visual indicators
- Operating range: 300 feet
- AC adapter included
Average Ratings : 2.5
Price : $25.50

Posted by irwanbee. Tags: Ac Adapter, Alert, Battery Condition, Door, Fcc, Feet, Garage, Garage Door, Gm, GM318, Household, Household Product, Monitor, Product Description, Sensors, Skylink, Visual Indicators, Warranty
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Opinions expressed in the comment section are the personal opinions of the original authors and do not necessarily reflect the views of this blog.
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Recent Comments
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The unit came without a mounting bracket. I’m not ready to spend the time making a custom bracket for it, so the damn thing’s useless as far as I’m concerned.
Rating: 3 / 5
Bought the product and an extra garage door monitor. One of the garage door monitors was defective. Skylink has a pathetic return policy (mail it back and we will see what we think) as opposed to SmartHome who replaced it with no issue.
The other monitor works fine but realize that the unit I think is designed oddly. The sensor buzzes when the magnet are together. Seems backwards to me and is, compared to a normal door unit(buzzes when the magnets break contact).
Net, net, buy the door monitor rather than garage and definitely from SmartHome not Skylink. You can set the magnet wherever and put a stronger one if the gap is large (look at the other garage door units which work this way). With this one you are dependent on smooth sliding of a magnet in a column. Why? Dumb. Wait till it gets dirty or bumped.
Rating: 2 / 5
Bought the product and an extra garage door monitor. One of the garage door monitors was defective. Skylink has a pathetic return policy (mail it back and we will see what we think) as opposed to SmartHome who replaced it with no issue.
The other monitor works fine but realize that the unit I think is designed oddly. The sensor buzzes when the magnet are together. Seems backwards to me and is, compared to a normal door unit(buzzes when the magnets break contact).
Net, net, buy the door monitor rather than garage and definitely from SmartHome not Skylink. You can set the magnet wherever and put a stronger one if the gap is large (look at the other garage door units which work this way). With this one you are dependent on smooth sliding of a magnet in a column. Why? Dumb. Wait till it gets dirty or bumped.
Rating: 1 / 5
Super easy to install– 4stars for a dead battery when i opened it– works great!
Rating: 4 / 5
I bought this item with 2 sensors for my garage. It never worked right out of the box. I called Skylink and was insulted by them. They insisted I was out of range or was blocked by a concrete wall or something like that. Right now I have the base right next to the doors it is supposed to monitor and it works sometimes and other times it doesn’t.
Rating: 1 / 5