$ 122
Directed Electronics 509U ULTRASONIC Sensor
$ 226
1-39556424-WM-NIK
$ 86
Directed Electronics 504D Sige(R) DoubeGuad(R) Shok Seso
$ 58
uxcell 15Pcs DC 5V 85dB Industrial Active Electronic Alarm Buzzer
$ 339
Honeywell Intellisense FG-1625RFM Round Flush Mount Glassbreak Detector
$ 61
Hendun Door Alarms with Remote, Window Alarm for Kids Safety, 1 Pack
$ 99
Hendun Door Alarms with Remote, Open Door Chimes, Pool Door Alarm, 2 Pack
$ 88
Directed Electronics 504D Double Guard Stinger Shock Sensor
$ 235
DITEK DTK-2MHLP24BWB 24 V Service Voltage, 39 V Clamping Voltage, Data and SIGNALING Circuit, Hybrid Field Replaceable Suppression Module, Surge Protector, with SNAP-Track Base
$ 66
7939WG-WH - Ademco Surface Mount Contacts (White)
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