GE 51207 Smart Home Wireless Motion Sensor Alarm Review

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(More customer reviews)I recently purchased two of these motion detector alarms. I had a few questions before purchasing that the other reviewers hadn't answered. I'll try to give a complete review to help others who might be considering the purchase.
The units feel a bit cheap, but they do work as described. They have two operating modes: chime and alarm - controlled by a tiny switch on the side of the remote. The chim mode sounds a doorbell like chime (fairly loud) when someone moves across the beam. The alarm has a 45 second exit and 30 second entry time. Many people obviously want a shorter entry time, fearing that a burglar would have too much time to get into the house.
A couple minor operating points. When the alarm is first tripped starting the 30 second countdown, it sounds a single loud beep. That can be good or bad. It might alert you, but it also alerts the intruder - perhaps allowing him time to disable the alarm before it sounds. When the alarm finally does go off, hold you ears because it's quite loud at 120dB.
The remote uses a small watch type battery that is included. The remote is very simple to operate with "enable" and "disable" buttons. The motion sensor itself takes 3AA batteries that are not included. The units come with a plastic swivel wall-mount bracket, screws, and sheetrock inserts. The motion sensors will not sit flat on a table, because their bases are rounded.
The manufacturer apparently has a problem with quality control. As other reviewers have pointed out, there is a problem with the screw holding on the battery compartment. I bought two units and the screw on one unit was crossthreaded into the plastic and impossible to remove without stripping the head. The screw on the second unit came right out without any problem. I've since exchanged the first unit.
I hope this answers any remaining questions. If not, please feel free to ask me.
Please be kind enough to indicate if reviews are helpful.

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GE Motion Sensing Alarm 51207.

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WPA-3000 Wireless Probe Driveway Alert Kit- Max Range 600' Review

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(More customer reviews)We recently moved to a country location with a long driveway. Friends in the area use motion sensor alerts for their driveways. We have noticed they pay little attention to them because the numerous deer and other wildlife in the area are always tripping them off.
So when I found I could get a sensor that works on magnetic principles for detection I was delighted and ordered one. I received it quickly from an Amazon merchant, read the instructions and installed it. It works perfectly. It was easy to install the unit so that it is virtually invisible from the driveway.
The range from the transmitter to the house in my case is about 600 feet, through heavy brush, and the unit has handled this with absolutely no problem. I have tried the alarm receiver in several locations in the house, including the basement, and it has worked perfectly in all of them.
I was concerned initially about the fact that the sensor would not pick up someone on foot walking to our house - but then I realized that my neighbors with motion sensors have so many false alarms that they pay no attention to the alarm unless they are expecting a visitor. In my opinion knowing that an unexpected vehicle is coming up the drive is far more effective as an alarm that ignoring an alarm because of so many false alerts due to deer, dogs, rabbits etc.
In the three weeks I have had the unit installed, it has never failed to detect a vehicle, and it has never sounded an alarm under any other circumstance. Which is exactly what I wanted.
For what it's worth - I do know electronics, and the quality of the unit internally is excellent. Also, the enclosure for the transmitter is well made to resist the ravages of weather and sun.
As far as I am concerned this is a well thought out and well made unit that does exactly what I wanted.
It deserves five stars.

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The WPA-3000 is an extremely reliable driveway alarm that is used to detect vehicles only. The transmitter operates on one 9-volt battery and has 50' of direct burial wire connecting the probe to the exterior case. The probe is buried parallel to the driveway, and will detect vehicles passing by within approximately 10-12 feet. The direct burial cable can be run to a tree or post nearby, where the transmitter box is located. When a vehicle drives by, the transmitter will send a signal to the WR-3000 receiver up to 600 feet away*. The WPA-3000 is ideal in locations where there may be deer or other large animals that would cause false signals with a motion detecting system. Also, because the probe is buried underground, it will be the least noticeable of our wireless systems. The transmitter is weatherproof and meant for exterior locations. Up to four zones can be monitored with additional transmitters. The transmitters can be programmed so they will each sound a different tone at the receiver.

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