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For Home Appliances & Garage
From the water heater, the boiler system to the garage door, they will show the open and close status of the door or equipment. Add these indicators to any circuits.
DIY Project
e.g. PLC training project
Industrial Electic Control Panel
For any electric panel such as Switch Cabinet, Power Distribution System, HVAC Panel, Escalator Control Panel
Design Improvement
Refit to the automobile or boat engine room to assist in steering
Jimmy D Marsh
Reviewed in the United States on July 28, 2022
each of the 5 literally fell apart during install;ation. DONT WASTE YOUR TIME AND MONEY ON THIS . TOTAL JUNK
Adam Ant
Reviewed in the United Kingdom on April 30, 2022
As you can see I mounted units in a box I made and they wired to the Sonoff unit. So when a freezer door remains open for too long it fires.Since the shed freezer is in an out building, this alerts me if door left open etc. (Buzzes and Lights up)The buzzer/light units could do with a longer thread on the mounting, ( see guide ), since thinner wood for mounting would not have worked for me I just undersized the holes slightly and screwed unit into wood to make its own thread.
Customer
Reviewed in the United States on April 27, 2022
There’s nothing better than knowing an industrial engineer right in the family frame. With the proper connections, a hole or three with the bore of a drill, and no better door alarm. – Especially with those magnet reeds and NC/NO/COM connectors.
jean sebastien berube
Reviewed in Canada on March 14, 2021
bonne sonorité pas trop agressante et bon visuel.tres bonne qualité pour le prix
Mr. Cr Pope
Reviewed in the United Kingdom on August 20, 2020
Good
Tee ford
Reviewed in the United States on February 10, 2020
Would reorder product
Ray
Reviewed in the United States on October 22, 2020
This is super flimsy and poorly made, the buzzer is not very loud and fires into the panel side, the contacts are not secured in the plastic housing and bend with little force. If you are looking for a robust buzzer/light combo for an industrial application this isn't it. If you are looking for toy/hobby grade electronics this barely fits that description.
Paul Jenkins
Reviewed in Canada on September 8, 2019
Worked as advertised
Tu Duong
Reviewed in the United States on August 17, 2019
As expected. Sound and light level just right.
Customer
Reviewed in the United States on April 16, 2019
Used these for a marine hi water alarm panel. Nice bright flashing light at a fairly loud audio output. The electrical connections are a bit on the light weight side. You have to be careful when making your electrical connections. For the price they are adequate.
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