Kasa Smart KS230 KIT v2 3-Way Wi-Fi Dimmer Switch

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Product guide

Kasa Smart KS230 KIT v2 3-Way Wi-Fi Dimmer Switch

Kasa Smart KS230 KIT is a 3-way smart dimmer kit for controlling lighting from two switch locations. It supports app and voice control, scheduled brightness, and requires neutral wiring and 2.4 GHz Wi-Fi.

At a glance

Controls lighting from two locations in a 3-way setup.
Brightness adjustment and scheduling are available through the switch or app.
The listing says app setup is guided and supports Alexa and Google Assistant.
Away Mode can switch lights on and off randomly, according to the listing.

Price

$33.99Save 19%

Reference price: ~~$41.99~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

A bundled satellite dimmer and two wall plates suit a two-location replacement.
App scheduling and remote adjustment can support routines such as gentle wake-up or night lighting.
The listed 1%-100% dimming range offers fine brightness adjustment for compatible lights.

Cons

Requires a neutral wire and 2.4 GHz Wi-Fi, which may rule out some existing wiring or network setups.
The listed dimming limits vary by bulb type, and smart Wi-Fi bulbs are not supported for dimming.

Technical specifications

18 specifications

Identity
Brand	Kasa Smart
Model	KS230 KIT

Connectivity and controls
Wireless connection listed	Wi-Fi
Control methods listed	Touch

Dimming and electrical ratings
Dimming range	1%-100%
Incandescent bulb maximum	300W
Dimmable LED bulb maximum	150W
Current rating	15 A
Operating mode listed	ON-OFF

Installation and dimensions
Circuit type	3-way
Mounting type	Wall Mount
Dimensions	5.06 x 3.33 x 1.77 inches
Weight	6.4 ounces
Required wiring	Neutral Wire
Required Wi-Fi band	2.4 GHz

Materials and protection
Material	Plastic
Listed standards	ETL, RoHS
Warranty description	2 years

What to know before buying

Confirm neutral wiring and compatible dimmable bulbs before installation. The listing states maxima of 300W for incandescent bulbs and 150W for dimmable LED bulbs, and says dimming does not support smart Wi-Fi bulbs. It recommends consulting an electrician if unfamiliar with electrical wiring. Keep firmware updated through the app.

What’s in the box

Included

1 smart Wi-Fi dimmer switch
1 satellite dimmer switch
2 wall plates
5 wire nuts

Who is it for?

A good fit for

Homes with an existing 3-way lighting circuit and neutral wiring.
Buyers wanting app or voice control and scheduled dimming for compatible lighting.
People who want wall-switch controls at two locations as well as remote adjustment.

Less suited to

Installations without a neutral wire or 2.4 GHz Wi-Fi.
Lighting using smart Wi-Fi bulbs that need to be dimmed through this switch.
Buyers seeking an explicitly listed SmartThings control option. The listing's compatible-device field names it, but feature text only specifies Alexa and Google Assistant.

Kasa Smart KS230 KIT v2 3-Way Wi-Fi Dimmer Switch · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 2,666 ratings

5 stars74%74%
4 stars11%11%
3 stars4%4%
2 stars2%2%
1 star9%9%

Customer feedback describes the app's installation guidance and dimming as helpful, with some noting that settings are retained. Reports on app connectivity, compatibility, and overall function are mixed. Some customers report failures within weeks to a year and lights flickering to maximum brightness. These concerns matter for a remotely controlled dimmer, so buyers should weigh the positive setup and dimming comments against reports of inconsistent operation. The aggregate ratings skew toward five-star responses, but do not explain the reported problems.

Positive themes

Customers describe installation as easy with the Kasa app's setup guide.
Customers appreciate dimming and report that previous settings can be retained.

Negative themes

Some customers report failures within weeks to a year of use.
Some customers report lights flickering to maximum brightness.

Mixed feedback

Feedback on app connection, compatibility, functionality, and value is mixed.

Frequently asked questions

Does the KS230 KIT require a neutral wire?

Yes. The listing specifies neutral wiring and also requires 2.4 GHz Wi-Fi.

Can it dim LED bulbs?

The listing says it supports dimmable LED bulbs up to 150W. It also says dimming does not support smart Wi-Fi bulbs.

Can the lights be controlled from two locations?

The kit is described for 3-way circuits, with control from two locations using the included smart and satellite dimmer switches.

Which voice assistants are named?

The feature text specifies Alexa and Google Assistant. The compatible-device field also lists SmartThings, so check the selected listing and app support if that integration matters.