Reviews
K&F Concept 72mm ND Fader Variable Neutral Density
Excellent product with NO color shift
08/01/2021
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Super easy installation
Super easy installation. Great instructions. No neutral wire required so it works in just about every age of home/apartment.
04/11/2022
Working great with Google Home. Make sure you have
Got these to build out our Google Home, working great. Most existing light switches front have a neutral wire in the box, so you may have to rewire or opt for the expensive Lumitrons that don't require a neutral. Honestly, save the money and learn some basic electrical, especially if you own a home. This is the way to go.
19/09/2022
Highly recommended
Nice switches. Work great with Alexa and on their own. Nice looking. Affordable. Remember, you need a neutral wire with these.
30/06/2022
and my doctor even recommended a Vitamin D supplem
The climate I live in isn't extremely sunny, and my doctor even recommended a Vitamin D supplement. Then, I learned that Vitamin K is good for bone density, so I figured the combination has to be good.
04/03/2022
Good switches
Perfect for older homes that don't have a neutral wire. Installation was fast and easy, as was connecting to my SmartThings hub.
23/01/2022
Great build quality, has a bit of purple tint
Great build quality. The only issue is it will have a purple tint impact on the image, so it is not really Natural Density. Overall, based on the price it is a great value.The purple tint is somehow easily removeable/correctable in LR.Happy with the product
14/08/2021
They work well but may require electrical work
These are amazing but be aware they must have a neutral line which is not common in old houses at the switch so be prepared for some work
09/02/2021
Works well, fun to use
Used for basic wall switch without a neutral. Works with paddle switch style not older toggle switches. Fun device to work with.
07/01/2021
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