Home Sensors & Motion Detectors
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- Brand New · SmartSecurity$11.65or Best OfferFree shipping
- $22.99Free shipping
- Brand New · Ring$28.00Free shipping21 sold
- Brand New · Unbranded$10.82 to $64.99Free shipping
$15.95or Best OfferFree shipping106 sold- $86.95or Best OfferFree shipping
- Brand New · Solar$64.13Free shipping
- $49.95$9.45 shippingOnly 1 left!
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- $65.00Free shipping
- $10.99Trending at $19.98$5.00 shipping
- New (Other) · Mighty Mule$54.99$10.05 shipping
- $32.99$5.99 shippingOnly 1 left!
- Brand New · Mighty Mule$94.88Free shippingOnly 1 left!
- Brand New · SmartSecurity$300.00or Best Offer$44.45 shipping
- Brand New · Mighty Mule$72.88Trending at $82.54Free shipping
- $27.97Free shipping
- $19.99Free shipping362 sold
- $41.00$7.35 shipping2 bids1d
- $59.97Trending at $82.54$9.00 shipping
- Brand New · Mighty Mule$45.00$18.55 shipping0 bids4d 5h
- $22.00Free shipping
- $12.00Was: $15.00was - US $15.00or Best OfferFree shipping
- New (Other) · Govee$20.00or Best OfferTrending at $20.95$6.50 shipping
- New (Other) · Govee$19.99Trending at $20.95Free shipping
- Brand New · Ring$18.88Free shippingOnly 2 left
- Brand New · Mighty Mule$69.99Trending at $82.54$17.86 shipping
- Brand New · Mighty Mule$56.00Was: $70.00was - US $70.00$13.28 shipping
- Brand New · Mighty Mule$98.90Free shipping
- $126.88Free shipping
- $46.00or Best Offer$9.39 shipping
- $18.99Free shipping53 sold
- Brand New$53.99Free shipping
- $19.99Trending at $20.95$7.01 shipping
- $59.50Free shipping
- Brand New$50.00or Best Offer$8.50 shipping
- $18.00Was: $20.00was - US $20.00Free shippingOnly 1 left!
- $19.29Free shipping
- $189.99or Best Offer$9.25 shipping
- $19.88$7.00 shipping
- Brand New · Ring$16.95Free shipping
- New (Other) · Arlo$90.00or Best OfferFree shipping
- Brand New · Mighty Mule$79.55Free shipping3 watching
- $19.95Free shipping
- $39.98or Best OfferFree shipping
- Brand New · Mighty Mule$69.99or Best OfferTrending at $82.54Free shipping
- $14.99$4.52 shipping
- $14.99or Best Offer$7.99 shipping
- Pre-Owned · Honeywell$15.00$8.71 shipping0 bids6d 10h
- $112.00Was: $160.00was - US $160.00$40.65 shipping
- $19.99Free shipping
- Parts Only · Wyze$4.95or Best Offer$5.85 shipping
- Brand New · Ring$12.95or Best Offer$4.95 shipping
- New (Other) · Ring$124.99Was: $249.99was - US $249.99or Best OfferFree shipping
- $54.44Free shipping
- $19.99or Best OfferFree shipping
- $25.20Was: $28.00was - US $28.00Free shipping
- $75.00or Best Offer$9.88 shipping
- $87.56Was: $97.29was - US $97.29Free shipping
- $18.95or Best Offer$6.55 shipping
Best selling
Top Rated
- 90% agree - Would recommend$31.99 New$19.69 Used
Review highlights
Recommended by our customersGood small device to alert when the power is back on.
By formatcevt4ext
This is a very convenient device if you have a portable generator and want to know when provider power comes back and yo... see all reviews
Verified Purchaseexact replacment works perfectly hard, really hard to program unless you are a securtiy system repair person with a Alpha keypad to use
By itsa61
works great however not easy to add to your system. see all reviews
Verified PurchaseBrand new
By robsonchm
All as expected. brand new sensors. i bought 20 total. really good sensors see all reviews
Verified PurchaseGood product but doesn't install well on all window types
By dstump2
This is a good product and easy to set up but it might not work for all windows. I have very little space on the side of... see all reviews
Verified PurchaseGreat product with reasonable price
By tly13579
Worked as advertised. Real simple to use. It has a removable base just in case the space is tight for the whole unit to... see all reviews
Verified PurchaseHoneywell motion sensor
By donnie52052
Great condition, looked brand new, only missing the installation/programming instructions and original boxing, battery ... 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 PurchaseThe best system for DIY
By michael055
I’ve had my SimpliSafe system for about two years now, and recently decided to protect a third door, so I bought the sen... see all reviews
Verified Purchase
