# Tapo S505D Matter Smart Dimmer Switch, Single-Pole

The Tapo S505D Matter Smart Dimmer Switch is a single-pole wall dimmer for compatible lighting, controlled at the switch, through the app or with supported voice assistants. It requires neutral wiring and is not for wired 3-way circuits.

- [Original product page](https://best-deals.pro/product/tapo-s505d-matter-smart-dimmer-switch)
- [View offer](https://best-deals.pro/visit/tapo-s505d-matter-smart-dimmer-switch)
- Market: US
- Language: en-US
- Currency: USD
- Brand: Tapo
- Model: Tapo S505D
- Category: Tools & Garden > Electrical & Plumbing
- Price: 12.99 USD
- Previous price: 19.99 USD
- Discount: 35%
- Price checked: 2026-11-11T09:06:46.126Z
- Rating: 4.6 / 5
- Reviews: 833

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Matter-certified control with Multi-Admin support across compatible ecosystems, supported features and controller requirements vary.
- Set routines and countdown timers, use Away Mode, or apply Fade On/Off transitions.
- The listing specifies leading-edge TRIAC dimming and different maximum loads for LED versus incandescent/halogen lighting.

## Pros

- Offers local wall operation as well as app and supported voice control.
- Schedules, countdown timers and Away Mode add lighting automation without requiring manual switching each time.
- Fade transitions and adjustable brightness support different everyday lighting preferences.

## Cons

- Requires a neutral wire, a suitable wall box at least 2 inches deep, and 2.4 GHz Wi-Fi.
- Designed for single-pole wiring only, not a wired 3-way circuit.
- Dimming depends on compatible bulbs, the listing advises checking bulb compatibility with its dimming type.

## Specifications

### Identity
- Brand: Tapo
- Model: Tapo S505D
### Electrical and dimming
- Operating voltage: 120 volts
- Current rating: 2.5 A
- Wattage listed: 150 watts
- Brightness range: 0%–100% Brightness Control
- Dimmable LED load claim: 150W dimmable LED
- Incandescent/halogen load claim: 300W incandescent/halogen
- Dimming method: leading-edge TRIAC phase-cut dimming
### Connectivity and controls
- Wireless connection listed: Wi-Fi
- Control methods listed: App, Touch, Voice
- Compatible platforms listed: Amazon Alexa, Apple HomeKit, Google Home, Samsung SmartThings
- Matter: Matter-Certified Control
### Installation and dimensions
- Circuit: 1-way
- Neutral wire: required
- Mounting types listed: Pole,Wall Mount
- Dimensions listed: 5.04 x 3.33 x 1.78 inches
- Wall box depth required: at least 2 inches
### Materials and protection
- Material listed: Plastic
- Indoor use: Indoor, dry-location use only
- Temperature range: 32°F–104°F

## Before you buy

- Installation requires neutral wiring, a suitable wall box at least 2 inches deep, 2.4 GHz Wi-Fi, and indoor dry-location use, consult an electrician if unfamiliar with wiring. Use compatible dimmable bulbs within the specified load limits. The listing's general 150 watts and 2.5 A details do not fully align with its separate maximum-load claims of 150W dimmable LED or 300W incandescent/halogen, so confirm the applicable load for your lighting before purchase.

## In the box

- Tapo S505D ×1 (Included)
- Wall plate ×1 (Included)
- Wire nuts ×2 (Included)
- Mounting screws ×2 (Included)
- Quick Start Guide (Included)

## A good fit for

- Single-pole lighting circuits with a neutral wire and compatible dimmable bulbs.
- Buyers seeking Matter-based control alongside wall, app and supported voice operation.
- Households that want schedules, timers, fade transitions or Away Mode for connected lighting.

## Less suited to

- Wired 3-way circuits or installations without a neutral wire.
- Setups without a suitable wall box, 2.4 GHz Wi-Fi, or compatible dimmable lighting.

## Customer feedback

Customer feedback highlights responsiveness to voice commands, appearance and perceived value, while reports on connectivity, dimming consistency, reliability and ease of use are mixed. For buyers, those concerns matter because remote and ecosystem control depend on a suitable setup, and dimming results also depend on compatible bulbs. The aggregate rating is 4.6 out of 5 from 833 ratings, but that figure alone does not explain individual experiences.
- Positive themes: Customers report quick response to voice commands and say the appearance blends well with home decor.
- Positive themes: Some customers describe the switch as easy to use and praise its dimming capabilities.
- Negative themes: Some customers report connectivity problems, HomeKit compatibility issues, inconsistent dimming, or sudden failures.
- Mixed feedback: Feedback on connectivity, dimming performance, reliability and ease of use is mixed.

## Frequently asked questions

### Can the S505D be used in a 3-way circuit?
No. The listing describes it as a single-pole dimmer and says it is not for wired 3-way circuits.
### What wiring and installation conditions does it require?
It requires a neutral wire, a suitable wall box at least 2 inches deep, and 2.4 GHz Wi-Fi. The stated use is indoors in a dry location.
### What lighting loads does the listing specify?
It claims up to 150W for dimmable LED or 300W for incandescent/halogen lighting at 120V, 60Hz, and says to check bulb dimming compatibility. Other electrical details are not fully aligned, see the listing-details note.
### Which smart-home systems are listed?
The listing names compatible Apple Home, Amazon Alexa, Google Home and Samsung SmartThings platforms. Supported features and controller requirements vary by ecosystem.

## Alternative options

- [TP-Link Tapo Matter Smart Light Switch: Voice Control w/Siri, Alexa & Google Home \| UL Certified \| Timer & Schedule \| Easy Guided Install \| Neutral Wire Required \| Single Pole \| Tapo S505\(2-Pack\)](https://best-deals.pro/visit/tapo-s505d-matter-smart-dimmer-switch)
- [Kasa Matter Smart Dimmer Switch, KS225, Single Pole, Need Neutral Wire \| Voice Control w/Siri, Alexa & Google Home, 2.4GHz Wi-Fi, UL Certified, Timer & Schedule, Easy Guided Install, 1-Pack](https://best-deals.pro/visit/tapo-s505d-matter-smart-dimmer-switch)
- [Tapo Smart Dimmer Switch, Single Pole, Need Neutral Wire, S500D\(4-Pack\) \| 2.4GHz Wi-Fi Light Switch Compatible with Alexa and Google Home, UL Certified, No Hub Required, White](https://best-deals.pro/visit/tapo-s505d-matter-smart-dimmer-switch)
- [Tapo Smart Light Switch, Single Pole, Need Neutral Wire, S500\(4-Pack\) \| 2.4GHz Wi-Fi Light Switch Compatible with Alexa and Google Home, UL Certified, No Hub Required, White](https://best-deals.pro/visit/tapo-s500-smart-single-pole-light-switch-four-pack)
- [Kasa Smart 3-Way Dimmer Switch Kit, KS230 KIT v2, Need Neutral Wire \| 2.4GHz Wi-Fi, Dimmable Light Switch Works with Alexa, Google Home & SmartThings, ETL Certified, No Hub REquired, White](https://best-deals.pro/visit/kasa-smart-ks230-kit-v2-3-way-wifi-dimmer)

## Add-ons

- [Tapo Smart Switch, S515, Single-Pole/3-Way/4-Way, Matter Compatible \| Works with Alexa, Siri, Google Home, SmartThings, UL Certified, 2.4GHz Wi-Fi](https://best-deals.pro/visit/tapo-s505d-matter-smart-dimmer-switch)

## Images

![Tapo S505D Matter Smart Dimmer Switch, Single-Pole — 1](https://best-deals.pro/i/CfJjSRJhu8QVJbSYah4k-aFWc0_reQB4OQ7gU3fnwyzi1QmzUcpKwRTX8b_4BUmgQJpFcrb7FaNZFhRYO8NmhLDORzzAt7M8FOI3d_EfGCgP2lqJhX6Q.jpg)

![Tapo S505D Matter Smart Dimmer Switch, Single-Pole — 2](https://best-deals.pro/i/NIYACOrf7gq1R9E5_DJeuKfjBgAw_5nDmmyxfEQb_QXSxp1EM94vB8K0k03H76tHmHRajqT4HSpffQymwy-vP4A0Q6WMpIgaAvq5q6-GCH85VQX1-ftR.jpg)

![Tapo S505D Matter Smart Dimmer Switch, Single-Pole — 3](https://best-deals.pro/i/07KAsfv70E55mjSVaY3lsp5HhVBEQfgeknjexNcx0M1gK2bzH9C9rS698C9Tm_WmhViyimYhXZZA6gcQRzNVXsrbj2x4-bz7PkXMpgFeR6CImEdMS_MD.jpg)

![Tapo S505D Matter Smart Dimmer Switch, Single-Pole — 4](https://best-deals.pro/i/xGXE7Mv-pPXWC9izCaxFCHcw_bjWuzAMWUAfLMviqm5QsXPlg-VSR78VHiaIXKDVDTuodiwCT_J9KgD5NUg0f8kQPvei_3iaquy8MNkqos5U52hLGjy7.jpg)

![Tapo S505D Matter Smart Dimmer Switch, Single-Pole — 5](https://best-deals.pro/i/7GLEo8X6hRM0nuUScNlvewECmncFQ9CTT04KJX0N_Yxr9vi5YBYesWRGS6-fdYoO67dXAzUb1skE9pJnPvuiG5W4E-HLX-1NQLuNNyXqDBul0DquhwPH.jpg)

![Tapo S505D Matter Smart Dimmer Switch, Single-Pole — 6](https://best-deals.pro/i/BK1kyP_EOmfDyTHc1LmogZiFOui5E0103z-wJd19xg1KHfKMVVY0nG7eBZbTp-LRuP9ZNW4Ok0rAhKJ4Ec0GVPEVs27wm3qSSpgJYxekGPoGop5t4JZC.jpg)

![Tapo S505D Matter Smart Dimmer Switch, Single-Pole — 7](https://best-deals.pro/i/9w6aEb5u3lHzewn1IdZlkvn5hMi0lOqXMdtkHN2IJBoKKcqd8iy1kpMOwrW7lbpRSXhdVh1SSEYrMH-B2MjMSkQ-ZdRpsHD0c-4bxMsLkztI_OVHEiFO.jpg)