Home Sensors & Motion Detectors
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- $49.99Trending at $55.66Free shipping
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VISIT MY STORE AND SAVE $$$ ON BULK AND LOT SALEOpen Box$109.00Free shipping139 sold- $28.00Free shipping131 sold
- $44.10Was: $49.00was - US $49.00or Best Offer$6.20 shipping
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- Brand New · Alarm.com$34.97Free shipping
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- $22.95$9.00 shipping
- New (Other) · System Sensor$11.99$4.99 shipping
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- Brand New · SimpliSafe$8.99Trending at $9.99$4.96 shipping
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- 90% agree - Would recommend$34.41 New$12.69 Used
- 100% agree - Would recommend$23.00 New$18.99 Used
- 100% agree - Would recommend$19.50 New
Review Highlights
Recommended by our customersNeeded to replace a sensor and add a zon...
By thale182
Needed to replace a sensor and add a zone. This was a drop-in replacement making the install quick and easy. And it has... 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 PurchaseFunctional and attractive.
By monumentalartantiques
New sensors that work great. Smaller size is less noticeable than my older sensors which is nice in a residential system... see all reviews
Verified PurchaseSo far so good
By ahb1119
Decided to ditch traditional security system and go for something affordable. I got this for a deal as brand new, so for... 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 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 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 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 Purchase
