Search Groupon

Zip Code, Neighborhood, City

Sign In | My Stuff

Recently Viewed My Wishlist Cart Sell Help Sign Up

Featured
Things To Do
Beauty & Spas
Local
Goods
Getaways
Deals of the Day
Coupons
Extra 20% Off

FREE Shipping with $34.99 Purchase | FREE Returns

The Goods Stuff

Enjoy FREE Shipping on purchases of $34.99 or more and FREE Returns.

Free Standard Shipping on purchases of $34.99 or more applies in the U.S. only. Free Returns in the U.S. and Canada. Large, oversized items and products delivered by special or white glove carriers are not eligible for free shipping or free returns. Free returns are not applicable to final sale/non-returnable items. As always, check the deal's Fine Print for restrictions. Learn More

Goods
› Auto & Home Improvement
› Smart Home
› Sensors & Alarms

Sensors & Alarms

Sort by

Categories

All Categories
Auto & Home Improvement (43624)
- Grills & Accessories (696)
  - Smokers (11)
  - Grills (85)
    - Electric (25)
    - Charcoal (13)
    - Gas (9)
  - Grilling Accessories (522)
  - Grill Covers (39)
- Fire Pits & Outdoor Heaters (96)
- Hand & Power Tools (5868)
  - Power Tools (2128)
  - Power Tool Accessories (1043)
  - Hand Tools (3740)
- Outdoor Power Equipment (498)
  - Snowblowers (3)
  - Lawnmowers (111)
  - Power Washers (31)
  - Leaf Blowers (23)
  - Snow Removal (41)
  - Generators (20)
  - Outdoor Power Accessories (78)
  - Chainsaws (47)
- Patio, Lawn & Garden (9549)
  - Pest Control (373)
    - Zappers (81)
    - Repellents (154)
    - Traps (78)
  - Plants, Seeds & Bulbs (1811)
    - Cacti & Succulents (23)
    - Seeds (116)
    - Indoor Hydroponics (2)
    - Trees (44)
    - Bulbs & Bare Root Plants (91)
    - Fruit, Vegetables & Herbs (12)
  - Outdoor Storage (117)
    - Deck Boxes (8)
    - Outdoor Canopies & Tents (3)
    - Sheds & Hideaways (20)
  - Pools, Hot Tubs & Saunas (1742)
    - Cleaning Tools & Chemicals (348)
    - Hot Tubs (11)
    - Saunas (9)
    - Pools (751)
    - Covers & Ladders (81)
    - Accessories (499)
  - Gardening & Lawn Care (7550)
    - Greenhouses (61)
    - Planters (1446)
    - Soils, Fertilizers & Mulches (437)
    - Garden Structures (84)
    - Garden & Yard Tools (1068)
    - Gardening Apparel (16)
    - Watering Equipment (501)
    - Weed & Moss Control (66)
- Electrical (1944)
  - Batteries (287)
  - Flashlights (210)
  - Timers & Switches (179)
  - Work Lights (37)
  - Extension Cords & Power Strips (167)
  - Outlets & Accessories (275)
- Outdoor Décor (955)
  - Deck Boxes (8)
  - Bird Feeders & Baths (188)
  - Garden Structures & Sculptures (231)
- Lighting (2050)
  - Light Bulbs (339)
  - Ceiling Fans (348)
  - Fixtures (297)
  - Novelty Lighting (189)
  - Flood Lights & Security Lights (34)
- Heating & Cooling (2974)
  - Thermostats (18)
  - Air Conditioners (101)
    - Portable (21)
    - Wall (3)
    - Window (5)
  - Dehumidifiers (34)
  - Draft Stoppers & Weather Stripping (127)
    - Draft Stoppers & Insulation Kits (59)
  - Fans (101)
  - Heaters (66)
  - Filters (79)
- Home Improvement (11084)
  - Paint & Wallpapers (708)
  - Bathroom Faucets (258)
  - Tool Storage (399)
  - Hardware (3735)
  - Shower Heads (183)
  - Hardware & Fixtures (605)
    - Bathroom (258)
    - Kitchen (200)
  - Garage (140)
    - Maintenance & Repair (2)
    - Storage & Organization (71)
  - Home Safety & Security (964)
    - Home Security & Surveillance (317)
    - Personal Protection (160)
    - Fire Safety (29)
    - Safes (164)
    - Work Safety (177)
  - Appliances (1792)
    - Dishwashers (21)
    - Wine Coolers (11)
    - Stoves & Ranges (113)
    - Washers & Dryers (51)
    - Irons & Garment Care (766)
    - Vacuums & Floor Care (520)
    - Microwaves (30)
    - Sewing Machines (59)
    - Refrigerators (72)
    - Freezers (5)
  - Plumbing (1299)
  - Building Materials (1532)
    - Ladders (37)
    - Home Care & Cleaners (812)
    - Nails & Screws (301)
    - Flooring (382)
- Automotive (8401)
  - Replacement Parts (700)
    - Lighting (88)
    - Engine Maintenance (7)
    - Interior (3)
    - Wheels & Tires (7)
    - Windshield Wipers (14)
  - Interior Organization & Accessories (831)
    - Steering Wheel Covers (51)
    - Accessories (135)
    - Seat Covers (151)
    - Organization (182)
    - Floor Mats (107)
  - Car Electronics (1673)
    - Radar Detectors (37)
    - Car Video (41)
    - GPS (168)
    - Car Audio (564)
  - Motorsports (2880)
    - Motorcycle & Moped (471)
    - Marine (2238)
    - RV (41)
  - Car Safety & Security (326)
  - Exterior Accessories (1209)
    - Towing (153)
    - Sunshades & Windshield Covers (14)
    - Cargo Carriers (115)
    - Garage Accessories (37)
  - Car Care (1462)
    - Vacuums (52)
    - Air Fresheners (40)
    - Car Covers (179)
    - Wax, Wash & Polish (126)
- Smart Home (138)
  - Accessories (9)
  - Watering & Sprinklers (23)
  - Lighting (47)
  - Outlets & Timers (5)
  - Garage Door Openers (4)
  - Door Locks (30)
  - Thermostats (3)
  - Sensors & Alarms (17)

Discount Types

Clearance

Brands

Monoprice (12)
Zonixin (2)
Chamberlain (1)
Nest (1)
iView (1)

$

Digital PH Meter Water Hydroponics Pocket Pen Aquarium Pool Tester

Shop Groupon

Digital PH Meter Water Hydroponics Pocket Pen Aquarium Pool Tester

Shop Groupon

Chamberlain 801CB-P Garage Door Replacement Safety Sensor

Shop Groupon

Nest Smart Learning Wi-Fi Programmable Thermostat, 3rd Gen w/ Temperature Sensor

Shop Groupon

4 Fake Dummy Dome Surveillance Security Camera with LED Sensor Light

Shop Groupon

Monoprice Z Wave Plus RGB Smart Bulb Works with Alexa and Google Home with Hub

Shop Groupon

Shop Groupon

Monoprice Z Wave Plus PIR Multi Sensor, Temperature Humidity Light

Shop Groupon

Ring Wi Fi Enabled Video Doorbell 2 Satin Nickel

Shop Groupon

iView WiFi Smart Door and Window Sensor (1-, 2-, or 4-Pack)

Shop Groupon

Monoprice Z Wave Plus Wall Socket Plug in Receptacle w/ 2 USB

Shop Groupon

Shop Groupon

STITCH by Monoprice Wireless Smart LED Light Bulb, Dimmable Soft White, 50W

Shop Groupon

Shop Groupon

Shop Groupon

Shop Groupon

Pure Outdoor by Monoprice Tactical Adventure Flashlight, IPX8, 1,050lm

Shop Groupon

STITCH by Monoprice Wireless Smart Plug with Energy Monitoring and Reporting

Popular Searches

Garage Door Openers
Outlets & Timers
Philips Home Automation
Home Automation
Watering & Sprinklers
Philips Lighting
Accessories
Door Locks
Lighting
Thermostats

Grouber

Company

About Groupon Jobs Blog Press Investor Relations Management Team In Your Community

Work with Groupon

Join the Groupon Marketplace Run a Groupon Deal Learn About Groupon Merchant Affiliate Program Vendor Code of Conduct

More

Customer Support Refund Policies FAQ Coupons Gift Cards Gift Shop Groupon Select Students Miles & Points

Follow Us

Twitter Facebook

Incredible Deals on Local Experiences

Discover fun activities and huge discounts in your city with Groupon. Check out great deals on things to do from kids activities to nightlife; try out new restaurants, spas, massages and hair salons near you, or plan a trip away from home.

Guide for Food & Drink, Arts & Leisure, and Style & Beauty

© 2019 Groupon, Inc. All Rights Reserved. Terms of Use Privacy Statement Licenses

Get the Groupon Mobile App

Grow Your Business by Working with Groupon

Sign Up!

Save up to 70% on 1000s of awesome Washington DC deals

Discover top restaurants, spas, things to do & more

Check back every day for new deals near you

Buying is fast, easy, and secure

By entering my email above, I agree Groupon can send me emails
for local services, shopping, travel and Groupon updates.
I can unsubscribe any time by contacting Groupon here.

Yes, I want to save money by receiving personalised Groupon emails with awesome deals. By subscribing I agree to the Terms of Use and have read the Privacy Statement.