Updated October 2026
Data from the official Lutron and TP-Link sites.
2026 verdict
For a neutral-wired circuit where the light only has to switch, the TP-Link Kasa HS200 is the better wall switch of these two.
It wins on price and a 2 year warranty against 1, joins 2.4 GHz Wi-Fi with no hub, answers Google Home, Alexa, SmartThings and Home Assistant, and is rated for 15A general use, 600W of incandescent and a 1/6 HP motor. The Lutron Caseta Diva Smart Dimmer Switch is the one that actually dims: it handles 600W of incandescent and 150W of dimmable LED or CFL, installs in a box with no neutral, and reaches Apple Home through the Lutron hub, which is why it wins on integrations. Choose the TP-Link Kasa HS200 for cheap hub-free on/off control, and the Lutron Caseta Diva Smart Dimmer Switch when you need dimming, Apple Home or a box without a neutral.
vs
Winner
$15.99
Connectivity
- Wi-Fi 2.4 GHz
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| Feature | Lutron Caseta Diva Smart Dimmer Switch | TP-Link Kasa HS200 | Winner |
|---|---|---|---|
| Price | $69.95 | $15.99 | TP-Link Kasa HS200 |
| Rating | 4.7 | 4.6 | Lutron Caseta Diva Smart Dimmer Switch |
| Warranty | 1 year | 2 years | TP-Link Kasa HS200 |
| Connectivity | None | 2.4 GHz WiFi | TP-Link Kasa HS200 |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant | Google Home, Alexa, Samsung SmartThings, Home Assistant | Lutron Caseta Diva Smart Dimmer Switch |
| Max Resistive Load Power (Per Switch) | 600W | 600W | Tie |
| Safety | Overheating protection | None | Tie |
| Switches | 1 | 1 | Tie |
| Energy Monitoring | NO | NO | Tie |
| Status LED | YES | YES | Tie |
What the differences mean
Dimming versus on/off
This is the core split. The Lutron Caseta Diva Smart Dimmer Switch is a dimmer, rated for 600W of incandescent and 150W of dimmable LED or CFL, with a slider and a preset level. The TP-Link Kasa HS200 is a plain on/off switch, so a fixture that has to dim is out of scope for it.
Neutral wire
The Lutron Caseta Diva Smart Dimmer Switch is a two-wire dimmer that installs in older boxes with no neutral, which is the single thing that blocks most smart dimmers. The TP-Link Kasa HS200 requires a neutral in the wall box, so an older home may need an electrician or a different switch.
Hub and radio
The TP-Link Kasa HS200 joins 2.4 GHz Wi-Fi directly and needs no hub. The Lutron Caseta Diva Smart Dimmer Switch talks to the Lutron Smart Hub over Lutron's Clear Connect radio, so the hub is a separate purchase before anything smart works, though the lights keep responding when the router is down.
Apple Home support
The Lutron Caseta Diva Smart Dimmer Switch reaches Apple Home, Alexa, Google Home, SmartThings and Home Assistant once the Lutron hub is added, and Apple Home technology sits in that hub. The TP-Link Kasa HS200 covers Alexa, Google Home, SmartThings and Home Assistant but has no Apple HomeKit path, and neither is Matter certified.
Which one to buy if
- the wall box has no neutral wire
The Lutron Caseta Diva Smart Dimmer Switch is a two-wire retrofit dimmer, while the TP-Link Kasa HS200 needs a neutral to install at all.
- the fixture has to dim
The Lutron Caseta Diva Smart Dimmer Switch dims 600W of incandescent and 150W of LED or CFL; the TP-Link Kasa HS200 is on and off only.
- Apple Home or Siri has to control it
Apple Home reaches the Lutron Caseta Diva Smart Dimmer Switch through the Lutron hub, and the TP-Link Kasa HS200 has no HomeKit support.
- you want no hub at all and only on/off control
The TP-Link Kasa HS200 joins 2.4 GHz Wi-Fi by itself, so there is no hub to buy and it is the cheaper, longer-warranty choice.
- your circuit is a plain lamp on a neutral-wired box
Paying for dimming hardware and a Lutron hub buys nothing when the load only needs to switch.
$69.95
- + Rating: 4.7
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant
- - Price: $69.95 vs $15.99
- - Warranty: 1 year vs 2 years
Winner
$15.99
- + Price: $15.99
- + Warranty: 2 years
- + Connectivity: 2.4 GHz WiFi
- - Rating: 4.6 vs 4.7
- - Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant
What owners say
Owners of both switches make installation the first talking point, though for different reasons: the TP-Link Kasa HS200 for an app-guided job that takes minutes, the Lutron Caseta Diva Smart Dimmer Switch for a two-wire install that skips the neutral entirely. Reliability is the shared second theme, with each group describing units that reconnect or keep responding long after purchase. The Lutron Caseta Diva Smart Dimmer Switch owners go further, reporting years of uninterrupted service, a preset level on every press and app trim that cures LED flicker, and warning that the Lutron hub, the paddle wallplate and the price all come on top of the switch. TP-Link Kasa HS200 owners praise the simple wiring, the locator LED and the scheduling, and complain about fitting the bulky rear module into a crowded box.
Frequently Asked Questions
Which is better overall: Lutron Caseta Diva Smart Dimmer Switch or TP-Link Kasa HS200?
The TP-Link Kasa HS200 is the better buy for plain on/off control, winning on price, a 2 year warranty and hub-free Wi-Fi connectivity. The Lutron Caseta Diva Smart Dimmer Switch is the better switch when you need dimming, a box without a neutral or Apple Home, which is where its higher cost goes.
What is the biggest difference between the Lutron Caseta Diva Smart Dimmer Switch and the TP-Link Kasa HS200?
The Lutron Caseta Diva Smart Dimmer Switch is a two-wire dimmer that needs no neutral but depends on the Lutron hub. The TP-Link Kasa HS200 is an on/off Wi-Fi switch that needs a neutral but no hub. That wiring and dimming split decides most buyers.
Which one works with Apple HomeKit?
The Lutron Caseta Diva Smart Dimmer Switch, through the Lutron hub. The TP-Link Kasa HS200 does not support HomeKit. Both work with Google Home, Alexa, SmartThings and Home Assistant, and neither is Matter certified.
Which one handles the bigger lighting load?
The Lutron Caseta Diva Smart Dimmer Switch is rated for 600W of incandescent and 150W of dimmable LED or CFL as a dimmer. The TP-Link Kasa HS200 is rated for 15A general use, 600W of incandescent and a 1/6 HP motor as an on/off switch.
Who should buy the Lutron Caseta Diva Smart Dimmer Switch?
Buy the Lutron Caseta Diva Smart Dimmer Switch if the box has no neutral, the fixture must dim, or Apple Home has to control it, and you accept buying the Lutron hub and a paddle wallplate alongside it.
Who should buy the TP-Link Kasa HS200?
Buy the TP-Link Kasa HS200 for a neutral-wired single-pole circuit that only needs on/off control, in an Alexa, Google Home, SmartThings or Home Assistant setup, where the lower price and 2 year warranty beat a dimmer you will not use.
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