Amazon Alexa Wi-Fi Home Security Sensors and Motion Detectors
Shop by category
2,373 results
Sort: Best Match
- $12.28 to $25.52Free shipping
- Brand New · Unbranded$10.89 to $28.99Free shipping33 watching
- New (Other) · Eufy$19.00or Best Offer$4.89 shipping
- Brand New · Philips$25.00or Best OfferFree shipping4 watching
FREE SHIPPING🔵FREE RETURNS🟡U.S SELLER🔴New (Other) · SimpliSafe$11.99Free shipping51 sold- $44.98Free shipping4 watching
- Pre-Owned · SimpliSafe$18.95Free shipping
- $28.00Free shipping253 sold
- Brand New · Vivint$28.97Free shipping495 sold
- Official WYZE Manufacturer ✅✅30 Day Warranty✅✅Certified - Refurbished · Wyze$12.32Free shipping275 sold
- $12.99or Best OfferTrending at $18.48$5.02 shipping62 sold
- Brand New · ecobee$49.99Free shipping
- Brand New · Vivint$23.95or Best Offer$6.24 shippingOnly 1 left!
- $17.60or Best OfferFree shipping132 sold
- Brand New · Unbranded$11.10 to $29.90Free shipping
- Brand New · Unbranded$11.00 to $38.90Free shipping
- $16.99$5.00 shipping
- $12.00or Best Offer$8.78 shipping
- $33.99Free shipping70 sold
- Brand New · SimpliSafe$11.49Free shippingOnly 1 left!
- $19.95or Best Offer$5.41 shipping
- $15.95or Best OfferFree shipping113 sold
- $65.00Free shipping51 sold
- $22.99or Best OfferTrending at $25.23$5.02 shipping
- Brand New · Feit Electric$18.00or Best OfferTrending at $24.73Free shipping2 watching
- Brand New · eve$26.30Trending at $27.99$6.36 shipping
- $25.88Free shipping
- $13.77Free shipping
- Brand New · Unbranded$10.65or Best OfferFree shipping660 sold
- $200.00or Best Offer$8.34 shipping
- $14.39 to $44.99Was: $15.99was - US $15.99Free shipping
- Brand New · Unbranded$10.92 to $138.92Free shipping
- Brand New · DSC$29.99or Best OfferFree shipping
- $48.95or Best OfferFree shipping
- $17.94Free shipping
- $39.95Free shipping195 sold
- $12.49or Best OfferFree shipping
- $22.48or Best OfferFree shipping
- Brand New · Unbranded$219.62Free shipping
- Brand New · SimpliSafe$69.99$9.00 shipping
- $14.02Was: $16.50was - US $16.50Free shipping
- $29.99Trending at $31.97$5.02 shippingOnly 1 left!
- $16.99Was: $28.99was - US $28.99Free shippingOnly 1 left!
- $89.88Free shippingOnly 1 left!
- Brand New · ecobee$49.99or Best Offer$12.99 shipping3 watching
- $24.99Free shipping
- $86.95or Best OfferFree shipping
- $71.05Free shipping5 watching
- $16.99or Best Offer$6.24 shipping
- New (Other) · Philips$31.98Free shipping
- $145.00or Best Offer$19.60 shipping
- $29.99Free shipping
- $18.00Free shipping
- $24.00or Best OfferFree shipping
- $35.00Free shipping
- $25.00or Best Offer$8.75 shipping
- $25.00Free shipping
- $59.95or Best Offer$4.69 shipping
- Pre-Owned · Vivint$29.87$5.87 shipping
- $14.39 to $44.99Was: $25.99was - US $25.99Free shipping
Best selling
Top rated
- 97% agree - Would recommend$89.00 New$48.95 Used
- 94% agree - Would recommend$42.99 New$20.00 Used
- 100% agree - Good value$49.99 New$35.96 Used
- 100% agree - Would recommend$35.53 New$29.99 Used
Review highlights
Recommended by our customersMighty Mule AWSOME !!! (not a "motion" detector)
By willmwhitt
This is my 2nd Mighty Mule alarm, the first lasted over 5 years and worked great, no false alarms from a yard full of an... see all reviews
Verified PurchaseWorks great.
By voguerancher
We live in the country and have a very, very long driveway. It picks up people at the end of my driveway. I love it. see all reviews
Verified PurchaseExcellent option for your home security.
By sergiolariosg-0
Those door sensors are an excellent option for your home security. The installation and configuration is very easy. Very... see all reviews
Verified PurchaseI would reccommend this system but find your needs and do your research!
By dwayneday
Easy setup. App works well. Only thing I found that I didn't like about the APP- If you assign different users the app ... see all reviews
Verified PurchaseEffective Motion Detection with Easy Setup
By mell_lk
The Ring 4SP1SZ-0EN0 Motion Detector Alarm is a great addition to any home security setup. It’s easy to install and inte... see all reviews
Verified PurchaseDSC WS4945
By rtpurcell
I have had almost 20 of these installed for about a month now. They are very easy to install, however I did not try to ... see all reviews
Verified PurchaseTrustworthy connectivity
By cardinalcrewchief
Compared to other home comfort/ security eco-systems ecobee stands above. More reliable wireless connections and solid p... see all reviews
Verified PurchaseThese water alarms are really easy to se...
By michaelwcollins
These water alarms are really easy to set up. The come with working AA batteries. I’ll get another triple alarm set for ... see all reviews
Verified Purchase
