$(csi.user.businessName)

Main Content

Loading...

Skip to content Go to Product Search

Visit our Support Center
Check your Order Status
Shipping, Delivery & Store Pickup
Returns & Exchanges
Price Match Guarantee

Order & Purchases

Check Order Status
Shipping, Delivery & Pickup
Returns & Exchanges
Price Match Guarantee
Product Recalls
Trade-In Program
Gift Cards

Payment Options

My Best Buy® Credit Card
Pay Your Bill at Citibank
Lease to Own
Buy Now, Pay Later
Best Buy Business Financing

Support & Services

Visit our Support Center
Schedule a Service
Manage an Appointment
Protection & Support Plans
Haul Away & Recycling
Contact Us

Rewards & Membership

My Best Buy Memberships
View Points & Certificates
Member Offers

Partnerships

Sell on Best Buy Marketplace
Advertise with Us
Affiliates: Creators & Publishers
Best Buy Health
Best Buy Education
Best Buy Business
Partner+

About Best Buy

Corporate Information
Careers
Corporate Responsibility
Sustainability

Sign in or Create Account

Get the latest deals and more.

Email Address

Best Buy appLearn more ›

Best Buy Canada

Accessibility Terms & Conditions Privacy Interest-Based Ads State Privacy Rights Health Data Privacy Do Not Sell/Share My Personal Information Limit Use of My Sensitive Personal Information Targeted Advertising Opt Out CA Supply Chain Transparency Act

In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.

Best Buy Gamers

Deal of the Day

My Best Buy Memberships

Best Buy Business

WiZ Signify EasySense SNM212/g MC search results

Filters

Skip To Results

Get it fast

Pickup · Ready todaySelect Store

Shipping · Get it today55423

Sold & shipped by

Best Buy

Category

Motion Sensors & Detectors

Door & Window Alarms

Smoke & Carbon Monoxide Detectors

Price

to

Less than $25

$25 - $49.99

$50 - $74.99

$75 - $99.99

$100 - $149.99

$150 - $199.99

Brand

ecobee

First Alert

SimpliSafe

Fosmon

La Crosse Technology

Cync

FEIT ELECTRIC

Honeywell Home

Features

App Compatible

Calendar

Clock Display

Humidity Tracking

Indoor/Outdoor Temperature Tracking

Bluetooth

Dew Point Tracking

Forecast Ability

Current Deals

On Sale

Clearance

Indoor/Outdoor Use

Indoor

Indoor/Outdoor

Outdoor

Power Source

Battery-powered

Hard wired

Plug-in

Customer Rating

Top-Rated

5

4 & Up

Voltage

3 volts

1.5 volts

110 volts

Works With

Amazon Alexa

Apple Home

Google Home

Arlo

Cortana

Hue

Nest

SmartThings

WiZ Signify EasySense SNM212/g MC in Home Alarms & Sensors (16)

Search all categories

Sort by:

Front. ecobee - ecobee SmartSensor 2-Pack - Temperature & Occupancy Detection, Comfort, Security, Energy Savings - White.

ecobee - SmartSensor 2-Pack - Temperature & Occupancy Detection, Comfort, Security, Energy Savings - White

Rating 4.7 out of 5 stars with 767 reviews

4.7(767 reviews)

Compare

Front. SimpliSafe - 4pack Entry Sensor - White.

SimpliSafe - 4pack Entry Sensor - White

Rating 4.7 out of 5 stars with 287 reviews

4.7(287 reviews)

Compare

Front. SimpliSafe - Glassbreak Sensor - White.

SimpliSafe - Glassbreak Sensor - White

Rating 4.7 out of 5 stars with 161 reviews

4.7(161 reviews)

Compare

ecobee

ecobee - Smart Sensor for Doors & Windows 2 Pack - Wifi Contact Sensor for Home Security, Energy Savings - White

Rating 4.2 out of 5 stars with 55 reviews

4.2(55 reviews)

Compare