Reviews Home Security Alarm Systems

Door Alarm Sensor Doorbell Chime - Wireless Door Chime for Business Window Open Alarms for Kids Safety Home Office Store Entering Security Long Range Door Chime Alert Kits When Door Opens

  • Wireless Door Window Open Alarm Sensor - FREETIM 2022 Upgrade Model wireless door window alarm sensor is an affordable and convenient way to create an extra layer of security in your home. Doorbell chime alerts help you to know whenever a door is opening.Door alarm is a simple device, but very useful for safety.Especially if you are at home alone, or if you need take care for children and elderly,the door window alarm sensor is a great helper.
  • Wireless Transmission Range 650ft(200M)- FREETIM The Newest Model wireless door alarm is suitable for anti-theft, store, business, office, factory, warehouses, patient care, home security, kids, pet safety. This door alarm is pretty compact so that able to install on door and window without wired limited. Sensor chime will ring when door or window open for home.
  • Expansion to 4 Receivers or Sensors- FREETIM latest upgrade model door sensor alarm can be used with 4 different receivers/sensors at the same time. You can even set different chimes for different areas so you know which door/window is opening when the door alarm is magnetically activated. Max 120dB door alarm chime is plenty loud enough to hear it from all over your home. So, DIY for your home security with this door window alarm sensor doorbell.
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Liftmaster 41C4398A RPM Sensor Assembly

  • Made of flame retardant ABS housing material,high temperature resistant,not easy to deform..
  • Contact Type:NC(Normally Closed).Can be added to wireless home security systems such as video surveillance cameras..
  • Wire length:25cm/1".Sensitive response,accurate detection.Fine workmanship ensures its reliability..
  • Easy to install.This door contact can be used with access control or burglar alarm system..
  • Package Included: 2pcs Recessed Door Magnetic Switch..
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10 Sets Pack of Surface Mounted Alarm Magnetic Contacts Door Window Reed Switch Sensor with Double Side Tape

  • Suitable for wooden/glass/plastic material doors.
  • For home burglar alarm system, important kits of home security..
  • Screws terminal connection inside , easy for mounting and connecting to systems..
  • Surface mounted with double side tape , ≥ 15mm operation gap.
  • NC type , normally closed : Switching OFF when door is opened.
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Ideal Security Motion Sensor Alarm

  • Motion Alarm: Designed to suit your specific security needs, this motion sensor has an alarm system that alerts in response to any movement..
  • Easy to Install Anywhere: Motion Sensor and alarm units are battery operated (Batteries not included)..
  • Scalable Design: The alarm system for home security is wireless and up to 50 door sensors can be linked..
  • Wireless Alarm System: With a transmission range of up to 390 feet and a detection range of up to 26 feet, this motion alarm sensor with LEDs can be used indoors or outdoors if it's protected from the elements..
  • Set Includes: This security alarm system includes 1 PIR motion sensor unit and an alarm unit.
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9V 1A Rechargeable Lithium Battery UPS Mini Size uninterrupted Network Emergency DC/DC Back up UPS, uninterrupted Monitoring for Security Products, Router, Modem and LED with 4000mAH Backup Battery

  • Mini Ups with back up battery(not included adapter!!!) which can store power.
  • It can provide hours of operation during power failure at a low price vs a traditional UPS. Mini Ups with back up battery which can store power..
  • Smart 9V mini dc ups widely use for fingerprint attendance machine, Fire safety system, security monitoring system, wireless camera, CCTV camera ,personal treatment system,Door security system, personal data assistant, emergency lighting, Alarm system, personal communication systems, radio, digital cameras, camcorders, video camera, Bluetooth devices, CD players, MD players, portable DVD, MP3 players, smart cards..
  • Battery cell certification: CB,CE,UL,UN38.3,BIS,KC,MSDS,ROHS,CQC,SGS,EMC Cycle lifestandard charge&discharge capacity ≥80% C5mAh ,cycle life ≥600 9V ROUTER MINI UPS has perfect overcharge, over discharge, overcurrent and short circuit protection function..
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KERUI Upgraded Standalone Home Office Shop Security Alarm System Kit,Wireless Loud Indoor/Outdoor Weatherproof Siren Horn with Remote Control and Door Contact Sensor,Motion Sensor,Up to 115db

  • We offer the newest version siren host from Aug,2020.
  • different from old one is setup guide,PLEASE NOTE an important tips:have to trigger the sensors within 6 seconds during the operation,or need pug in/out again into setting status.DOOR ALARM uses remote control to set security code for arming/disarming.
  • home alarm system complete with fully programmable main unit and sensors,if you want to DIY,please restore factory as manual or operation video,then add them again..
  • DIY expandable home burglar security alarm system-this alarm horn support up to 30 pcs wireless detectors,8 remote keyfobs,loud up to 115db deluxe door alarm system for peace of mind..
  • Complete DIY wireless house burglar alarm system kits includes a horn and three window/door sensors,two remote controls,two pir motion detectors, loud alarming to protect well for apartment shed hotel garage RV motor home safety ,affordable home security..
  • Loud SOS alarm and easy to get help-children and seniors at home in emergency,press the S button of the remote controller,which will trigger the siren alarm up to 115db to notice neighbors or other families in home so that they will get help in time..
  • After sale service- Kindly refer the user manual before usage,if you have any issues or need to customize ala....
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KERUI Upgraded Home Security System Indoor Outdoor Weather-Proof Siren Window Door Sensors Motion Sensor Alarm with Remote Control more DIY, Wireless House Hotel Garage Shop Burglar Door Alarm System

  • We offer the newest version siren host from Aug,2020.
  • different from old one is setup guide,PLEASE NOTE an important tips:have to trigger the sensors within 6 seconds during the operation,or need pug in/out again into setting status.DOOR ALARM uses remote control to set security code for arming/disarming.
  • home alarm system complete with fully programmable main unit and sensors,if you want to DIY,please restore factory as manual or operation video,then add them again..
  • DIY expandable home burglar security alarm system-this alarm horn support up to 30 pcs wireless detectors,8 remote keyfobs,loud up to 115db deluxe door alarm system for peace of mind..
  • Complete DIY wireless house burglar alarm system kits includes a horn and two window/door sensors,two remote controls,one pir motion detectors, loud alarming to protect well for apartment shed hotel garage RV motor home safety ,affordable home security..
  • Loud SOS alarm and easy to get help-children and seniors at home in emergency,press the S button of the remote controller,which will trigger the siren alarm up to 115db to notice neighbors or other families in home so that they will get help in time..
  • After sale service- Kindly refer the user manual before usage,if you have any issues or need to customize alarm....
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GSM Alarm, 3G GSM 8 Channels Mini Alarm Intruder, SMS Alarm Smart Home Security System, Remote Alarm System(US)

  • ☆☆Built‑in 3G module, compatible with GSM version. The input port can be selected as NC or NO alarm mode. Use easily and conveniently, it can be easily embedded into other equipment, as a remote alarm system..
  • ☆☆The input of GA09‑B is a switch signal. When the input port is short‑circuited with the ground (GND), GA09‑B will send an alarm message to the preset alarm phone, or call the set alarm number. The content of the alarm message can be set by yourself..
  • ☆☆Up to 6 groups of called numbers can be set. When the alarm input has a trigger signal, an alarm message will be sent to the alarm number, or you can call the alarm directly..
  • ☆☆We have professional customized APP, support for iOS/Android system, you can simply send messages through APP to set up. The wide voltage of this GSM alarm box is DC5 to 15V DC for power supply..
  • ☆☆Widely used, includes home security, warehouses, remote computer rooms, industrial monitoring sites, security protection, home security and other unattended points..
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OUVOPO Wireless Driveway Alarm, Motion Sensor Alarm, 100m Long Distance Signal Transmission, Home Security Alarm System Motion Sensor Doorbell Chime Tunes, 1 Receiver and 2 Motion Detector

  • ✔ Wireless Long Distance transmission- Communication range up to 220 feet from each motion sensor to the receiver. Cars, people and animals can be detected within 24ft/8M of each detector's angled eye..
  • ✔ Easy to Install & DIY - Takes only a few minutes to set up. Motion sensor alarm systems can be mount to posts, walls, fences. Simply place your sensor/or multiple sensors (expandable up to 5 sensors) anywhere..
  • ✔ Wide Range of Uses - Motion detection is an essential part of any home security solution. The wireless driveway alarm motion sensor can be used to monitor& protect your indoor property. Such as driveway, front porch, gate, pool, garage, mailbox, shed and etc. Great for home, business,and office..
  • ✔Two Alert Option - You can choose alarm/ Doorbell chime mode with this motion sensor alarm system. Be alerted to visitors, scare off unwanted intruders, take good care of your parents when they get up at night, or even know when your children have accessed restricted areas..
  • ✔Fully Expandable and 2 years warranty - The unit includes one USB receiver(Adapter not included) and two motion sensors. Expandable up to 8 sensors and unlimited receivers for complete coverage of your indoor property..
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