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2. Electric eye - Wikipedia

   en.wikipedia.org/wiki/Electric_eye

   Electric eye for a garage door opener. An electric eye is a photodetector used for detecting obstruction of a light beam. An example is the door safety system used on garage door openers that use a light transmitter and receiver at the bottom of the door to prevent closing if there is any obstruction in the way that breaks the light beam.

3. Garage door opener - Wikipedia

   en.wikipedia.org/wiki/Garage_door_opener

   The electric overhead garage door opener was invented by C.G. Johnson in 1926 in Hartford City, Indiana. [1] Electric Garage Door openers did not become popular until Era Meter Company of Chicago offered one after World War II where the overhead garage door could be opened via a key pad located on a post at the end of the driveway or a switch inside the garage.

4. This Is The Best Way To Keep Your Home Clean And Clutter-Free ...

   www.aol.com/best-way-keep-home-clean-235800244.html

   Before you head back inside, don't forget to replace the batteries in your garage door openers. June: Primary Bedroom Now that we have the communal spaces and outside taken care of, it's time to ...

5. Top 7 home renovations that can increase your property's ...

   www.aol.com/finance/best-home-renovations...

   Installing an automatic garage door opener with a keypad can also improve convenience and accessibility for you and your family. 2. Entry door replacement: Steel. 💰 Quick facts Average cost: $2,355

6. 50 Times Cheap Fixes Had A Major Impact On Home Life - AOL

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   New front door with a large window to let in more natural light, with a keypad deadbolt. Never have to worry about being locked out or fumbling for my key in the dark. Smart garage door opener.

7. A23 battery - Wikipedia

   en.wikipedia.org/wiki/A23_battery

   Left to right: AA, AAA, AAAA, N (E90) and A23 batteries An open A23 battery showing the LR932 cells with an intact battery. The A23 battery (also referred to as 23AE, GP23A, V23GA, [1] LRV08, [2] 8LR932, [3] 8LR23, MN21, L1028 or ANSI-1181A) is a dry battery consisting of eight LR932 cells, with a nominal voltage of 12 V.