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Your cart is empty.A stand alone, self contained, and incredibly easy to install entrance alert, the SL-40 detects motion at a door opening or other monitored area and creates a gentle alert sound that comes directly from sensor.
Jose
Reviewed in the United States on July 28, 2021
It’s a very good product, it’s small easy to install and I can hear anytime the front door opens
Customer
Reviewed in the United States on September 29, 2020
Well was a little skeptical . But have had installed for couple months now I like the range and sound is good. I put on our front office door and I would recommend for anyone looking for a door buzzer . Easy to install and can here with no issue from the back office about 120 feet from buzzer . Great product
Heather H
Reviewed in the United States on August 9, 2019
This does exactly what it says it does. Plays a chime when motion is detected. We have it mounted on the ceiling above the area of concern. It was easy to install, only requires a 9V battery. We were able to easily adjust the volume. While we did not readily see where the chime adjustment was, we were quickly installing it. We are going to go back over the unit instructions to see if we can adjust the chime from ding-dong to just ding.
Kate00072
Reviewed in the United States on May 6, 2019
Easy to use, easy to install the battery. We're using in an office and it was too loud, even on the lowest volume. Remedied that by covering some of the speaker holes so now it's perfect. It doesn't have to be mounted; we have it sitting on the floor under a table and it catches every one who comes in.
Kay Smith
Reviewed in the United States on January 13, 2019
It was easy to install but the circuit board is not easy to find the way to change the settin on it cause not marked well. The service was good. It is a good product but a little pricier than some others I seen but it does the job. I am using it at my business.
John Beggs
Reviewed in the United States on May 26, 2018
I purchase this unit as a entry door chime for my wife's retail shop. I installed it inside on a door entrance overhang and have it pointed down toward the entry door. I followed the enclosed instructions and set the unit for a single chime. You can also set for a double chime ("ding-dong"), and you can change the chime volume. I'd recommend putting a piece of electrical tape over the electronic sensor after you install the battery and while you are handling and installing the unit because it will chime constantly otherwise. Then you can take off the tape and start your tests and adjustments to the unit. Overall, a great way to monitor business or home doors for entry and exit.
John
Reviewed in the United States on March 6, 2018
Purchased this unit thinking it might be of better quality since its price was higher than some similar items for sale. The unit worked for about four hours then stopped. We replaced the batteries and it did the same thing again. It seems there is a problem with it draining the battery or some other circuitry issue. Sent it back. Maybe we got a bad unit but would not recommend this product based on our experience.
J. Sayson
Reviewed in the United States on September 22, 2015
Excellent item for alerting when customers come in. Easy to install, battery operation so no need to pull any wires. Has very good zone coverage, and is sensitive enough to detect any movement. Sensitivity can be adjusted (3-settings), and chine can also be adjusted (3 settings). Volume control can also be set from soft to very loud. Only downside, is there is no external on / off switch so the unit is on all the time. So far, it has operated flawlessly.
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