Will these work with the Smart Life app on the iPhone?

I have this model and it works on SmartThings app https://amzn.to/3aT8pnj If you have Amazon Alexa, this will work on that too - actually better to use it with that.

Will it work in a 3-way setup?

Yes, it will work with 3-way circuits, but you will only be able to control the circuits form the Kasa switch. Wherever you install the Kasa switch, hook the both of the two corresponding wires of the old 3-way switch together with one of the black Kasa wires (best done with Wago nuts - google it!), and the other black wire goes to the common terminal of the old switch. The other 3-way switch of the circuit is then useless, it switches from on to on. And, Kasa needs neutral (white wire) and ground (bare or green or green/yellow wire) -use Wagos there too!

Is it possible to turn off and on lights when not in the same wifi network? I mean when not at home? Thanks

Yes, you can. I even tried to scare my wife by turning on and off the lights while she was at home and I was at work 😁 note: beware of consequence(s)

See were some of these wall switches require a common or neutral wire. Does this one need that or will it work with just the two normal switch wires?

Yes, our smart light switches require a neutral wire for successful installation and functionality. Regards, TP-Link Support

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💡 Light up your life, smartly and effortlessly.

EFFORTLESS SCHEDULING - Set custom timers and ‘away mode’ to automate lighting and enhance home security with zero hassle.
HANDS FREE CONVENIENCE - Activate your lighting with simple voice commands through Alexa or Google Assistant—because your time is valuable.
SEAMLESS SMART CONTROL - Manage your lights anytime, anywhere via the intuitive Kasa app—perfect for busy pros on the move.
PLUG PLAY INSTALLATION - App-guided setup makes installation straightforward—ideal for those who want smart tech without the headache.
TRUSTED SILICON VALLEY INNOVATION - Join over 4 million users who rely on Kasa’s UL-certified, no-hub-required smart switches for safe, cutting-edge home automation.

The Kasa SmartLight Switch HS200P3 is a UL-certified, single-pole smart switch requiring a neutral wire and 2.4GHz Wi-Fi. Compatible with Alexa and Google Home, it offers app-guided installation, remote control, voice activation, and customizable scheduling—all without needing a hub. Sold in a convenient 3-pack, it’s designed for seamless integration into modern smart homes.

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