
$18 – $25
WiFi smart dimmer switch with 1-100% dimming, no hub required, works with Alexa and Google.
You already use Kasa devices
Integrates well with existing Kasa smart home ecosystem
You have single pole circuit
Simple installation for single pole setups
You use Alexa or Google Assistant
Native voice control support without additional hub
You want affordable WiFi dimmer
Budget-friendly WiFi dimmer with good Kasa app ecosystem
You lack neutral wire
Neutral wire required - will not work without it
You need true 3-way support
Officially single pole only - KS230 recommended for 3-way setups
You want HomeKit support
No HomeKit - Alexa and Google only
You need rock-solid reliability
Reports of sync issues and unresponsive switches
Static noise and flickering when neutral wiring incorrect or shared with incompatible loads
JustAnswer ExpertSwitch unresponsive and out of sync with app 50% of time for some users
User reviewsBulky size may not fit in shallow electrical boxes
Best Buy ReviewsConflicting reports about 3-way compatibility - officially single pole only
TP-Link CommunityGoes out of sync with app frequently
occasionalCause: WiFi connectivity or firmware issues
Static noise with certain loads
occasionalCause: Neutral wiring issues or incompatible bulbs
Bulky size
commonCause: Hardware design - may not fit shallow boxes
No HomeKit support
commonCause: Not Apple certified
Not verifying neutral wire
Dimmer will not function
Tip: Check for neutral wire before purchase
Installing in shallow electrical box
May not fit due to bulky size
Tip: Measure box depth, consider box extender if needed
Improper neutral connection
Static noise, flickering, or malfunction
Tip: Ensure neutral is properly connected and not shared with incompatible loads
Remote access, voice control, scheduling via app
Physical wall switch, local network API available
Usage data through Kasa app
Kasa has local API for Home Assistant integration - better than fully cloud-dependent switches.
Direct WiFi - no hub required. Works with LED and incandescent bulbs.
Single pole officially. Neutral required. 2.4GHz WiFi only.
Kasa KS230
If: Need 3-way dimmer support
Lutron Caseta Dimmer
If: Need better reliability
Inovelli Blue Series
If: Want local Zigbee control
You have single pole with neutral
Good value WiFi dimmer with local API support
You use Kasa ecosystem already
Consistent app experience with other Kasa devices
You need 3-way dimmer
Officially single pole only - get KS230 for 3-way
You want HomeKit
No HomeKit - consider Meross or Leviton
No, only Alexa and Google Assistant natively.
Source: TP-Link SpecsYes, Kasa has local API that works with Home Assistant integration.
Source: TP-Link CommunityUsually improper neutral connection or incompatible loads. Check wiring and try different bulbs.
Source: JustAnswer ExpertOfficially single pole only. For 3-way, TP-Link recommends KS230 instead.
Source: TP-Link SupportYes, neutral wire required.
Source: TP-Link Support