Seco-Larm SM-226L-Q Mount Magnetic Contact, NC

Use this Garage Door Contact Switch on garage doors, roll-up doors and other doors or gates where it may be difficult to mount regular magnetic contacts. Smaller magnetic switches

1 pc NO Recessed Door Contacts (NORMALLY OPEN) Alarm Door Window Sensors With Magnetic Reed Switch. These ¾” Door Contact Position switches (DCS) Work with All Access Control & Burglar Alarm Systems

These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system. The

iZtouch -8 Packs – Universal 433MHz GSM Wireless Magnetic Contact Sensor Window Door Entry Detector For Home Office Security Alarm System, Accessories for Wireless 433MHz IP Camera

These wireless door/window magnetic sensors are used to protect the opening of both doors and windows. If a burglar opens the protected door or window, a magnetic switch inside

Icstation Icstation MC-38 Wired Magnetic Contact Reed Switch for Door Window Security Alarm System Normally Open (Pack of 2 Pair)

Working Principle: The magnetic reed switch is consist of switch and the magnet, and the switch parts is made of reed switch and the pigtail. The magnet is coved

3 pcs Recessed Door Contacts NC Security Alarm Door Window Sensors With Magnetic Reed Switch. These ¾” Door Contact Position switches (DCS) Work with All Access Control and Burglar Alarm Systems

These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system. The

Fuers Standalone Home Office & Shop Security Alarm System Kit,Wireless Indoor Strobe Flashing Siren with Remote Key Fob and Door Contact Sensor

Technical parameters: Power Supply:AC100-240V Built-in battery:3.7V/600MAH VOLUME: Adjustable 8 levels Alarm current: Product Features Wireless intelligent code setting,maximum support 30 pcs remote controllers and 50 pcs detectors,like PIR motion

10 pcs Wired White Door Contacts Surface Mount NC Security Alarm Door Window Sensors.These ¾” Door Contact Position switches (DCS) Work with All Access Control and Burglar Alarm Systems

These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system. The

3 pcs Wired White Door Contacts Surface Mount NC Security Alarm Door Window Sensors.These ¾” Door Contact Position switches (DCS) Work with All Access Control and Burglar Alarm Systems

These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system. The

Fuers 3G Security Alarm – Wireless Home&Business Office Burglar Security Alarm System DIY Kit Auto Dial with Remote Key Fob, Door Contact Sensor, 720P Wifi IP Camera and More for Complete Security

What’s the different between G183 and G18?They with same appearance! G183 is the latest model and release on 2017,it with the same functions as G18,but it can read 3G


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