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For American homes seeking energy efficiency and convenience, smart dimmer switches with motion sensors offer seamless, hands-free control. These devices automatically illuminate rooms when you enter, dim or brighten based on time of day, and help reduce energy waste by turning lights off when spaces are unused. Below is a curated selection of reliable options designed for single-pole installations, neutral requirements, and popular voice assistant compatibility. The table summarizes key details to help you compare at a glance.

Kasa Smart Motion Sensor Switch ES20M with Dimmer

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The Kasa ES20M combines motion sensing with adjustable dimming in a single-pole, neutral-required switch. It supports 2.4 GHz Wi‑Fi and works with Alexa and Google Assistant without a hub. Advanced motion detection triggers lights when movement is detected, and lights can be scheduled to turn off after a user-defined delay. Daylight detection helps prevent unnecessary illumination on bright days, while dimming from 1% to 100% enables customized ambiance. Ideal for bedrooms, hallways, and bathrooms where hands-free operation improves convenience and energy efficiency.

Kasa Smart Motion Sensor Switch ES20MP2 2‑Pack

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Designed as a two-pack solution, the ES20MP2 extends smart dimming and motion sensing to multiple spaces. It maintains hands-free operation with motion-triggered lighting and includes daylight sensing to avoid daytime activation. Like the single‑pole model, it supports 2.4 GHz Wi‑Fi and works with Alexa and Google Assistant without a hub. The inclusion of dimming control from 1% to 100% allows nuanced lighting scenes for living rooms, entryways, or hallways, improving both comfort and energy management.

Leviton Decora Smart Motion Sensing Dimmer (D2MSD‑1RW)

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The Leviton D2MSD‑1RW offers a refined, touchless lighting experience with an integrated motion sensor. It provides a full-range dimming function to tailor ambiance and energy use. A built-in light sensor helps prevent unnecessary activation during daylight, and the switch supports multiple control configurations, including 3‑way setups. This model emphasizes reliability and compatibility with major ecosystems, including Alexa, Google Assistant, and Apple HomeKit via the Leviton platform, making it suitable for laundry rooms, closets, and corridors where hands-free control is beneficial.

Kasa Smart KS200MP2 2‑Pack Motion Dimmer

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The KS200MP2 continues Kasa’s emphasis on turnkey smart lighting with motion sensing and daylight awareness. This 2‑pack includes the same reliability features: automatic lights on with motion, daylight detection to reduce daytime usage, and a smart mode with programmatic routines. It plugs into existing 2.4 GHz Wi‑Fi networks and is compatible with Alexa and Google Assistant, enabling voice and app-based control without a hub. The dual-pack provides a scalable solution for lighting multiple rooms, hallways, or entryways that benefit from motion-activated dimming.

ECOELER PIR Motion Sensor Dimmer Switch

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The ECOELER dimmer combines a PIR motion sensor with a digital dimmer in a single‑pole design. It supports occupancy or vacancy modes and offers a range of time-delay options to suit different spaces, from quick bathroom entries to longer garage or basement usage. The device is designed for broad compatibility with LED and CFL bulbs and emphasizes smooth, MCU‑based dimming for consistent performance. It’s a practical option for users seeking straightforward installation and flexible sensor behavior without requiring a neutral wire in some configurations.

Buying Guide: Key Purchase Considerations

• Compatibility and ecosystem: Verify Wi‑Fi standard (2.4 GHz is most common) and whether the switch works with Alexa, Google Assistant, Apple HomeKit, or other platforms you use. Some models require a neutral wire; confirm your wiring before purchasing.
• Motion sensing vs. vacancy modes: Occupancy mode turns lights on automatically with any detected movement and off after a delay, while vacancy mode requires manual ON and automatic OFF. Consider which mode fits your space and safety needs.
• Daylight detection: Look for ambient light sensing to prevent lights from turning on when there’s adequate daylight. This feature saves energy and reduces unnecessary illumination.
• Dimming range and compatibility: Ensure the dimmer provides a full 1%–100% brightness range and works with your preferred bulbs (LEDs, CFLs, etc.). Smooth dimming avoids flicker and bulb strain.
• Installation and wiring: Some switches require a neutral wire; others claim no neutral is needed. If your electrical box lacks a neutral, confirm compatibility and potential installation steps with a professional.
• Hub vs. hub-free setup: Most options listed operate over Wi‑Fi without a hub, but some advanced features or multi‑device routines can benefit from a dedicated hub or platform (e.g., HomeKit) for broader automation.
• Energy management and routines: Consider how the switch integrates with routines like “Alexa routines” or “Google Home routines” to automate lighting based on time, presence, or other sensors in the home.
• Build and reliability: Brand reputation, UL certification, and 2nd‑gen or newer models can indicate longer service life and better safety standards for household electrical components.

Choosing a smart dimmer with motion sensing involves balancing convenience, energy savings, and compatibility with your existing smart home setup. The options above cover a range of single‑pole and dual‑pack configurations designed for straightforward installation and automated lighting control.