It is the extra plug-in receiver which is compatible with HTZSAFE wireless alarm systems.
The receiver can not work alone, it should work with HTZSAFE sensors.
PLUG-IN RECEIVER
35 OPTIONAL MELODIESS: Match different sensor with different melody.
4 VOLUME LEVELS: Match different applications.
FULLY EXPANDABLE SYSTEM: Expandable up to 4 sensors to 1 receiver.
PLUG&PLAY,SUPER EASY TO INSTALL: Plug the receiver into the outlet to work.
GUARANTEED 2-YEARS WARRANTY
PART & SIZE
FULLY EXPANDABLE & COMPATIBLE SYSTEM(ALL THE HTZSAFE PRODUCTS CAN WORK TOGETHER)
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This is Excellent! Will buy again! Thank You! Buyer: rtent (1582) Past month
It certainly let's me know when somebody comes up the driveway! Buyer: thirdcharmfarm (596) Past month
Fast shipping / thank you ! Buyer: daroldozark (591) Past month
Speedy delivery. Item as described. Thank you! Buyer: artisticends (2263) Past month
Exactly what I was looking for. Thank you very much very fast shipping Thanks Buyer: bubba486753 (290) Past month
Great price,Great shipping,Great ebayer Buyer: twincam61 (450) Past month
Nice unit. Works well Buyer: 5407roberts (1019) Past month
I got it, great, thanx! Buyer: tj10159021 (1978) Past 6 months
As described, 5 star seller. Buyer: royal_d (1370) Past 6 months
Very well made! Thanks Buyer: zoolady0hl4 (961) Past month
Driveway monitor works great! Buyer: fine_artifact4u (83) Past month
Love these! Work great! Buyer: nitrousdad (1908) Past month
fast shipping, good deal Buyer: banjomic (812) Past month
Very cool! Love the owl look.... Buyer: zoolady0hl4 (961) Past 6 months
2nd purchase and great product Pleasure doing business with you. Well be a repeat customer 🙂 Buyer: bryatadlo (254) Past 6 months
Good seller with fast delivery Buyer: rufor14 (627) Past 6 months
Great Ebayer Highly recommend Buyer: pigfo_2015 (525) Past 6 months
New, great product, Quick and easy. Thanks Buyer: 713denis (453) Past 6 months