ReviewsDoor Alarm Contact Sensor

tolviviov Home Alarm System(2nd Gen), 12 Pieces Smart Home Alarm Security System DIY No Monthly Fee, Phone Alert, Alarm Siren, Door/Window Sensors, Remotes, Work with Alexa, for House Apartment Office

  • ...within minutes. No professional is required. The wireless connection devices does not damage the wall. The alarm station should ALWAYS CONNECT to AC adapter. The backup battery works for 8 hours, only as an emergency battery..
  • ✅BUY with Confidence - The smart security system comes with a base station, 2 remotes, 9 contact sensors. tolviviov home alarm system can be used not only for your house or apartment, but also for offices, garage, shops, stores, condos. etc. No Monthly Fee. No Contacts..
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Wsdcam Door Open Chime Sensor Wireless for Business Home Store Shop - 600FT 52 Melodies Door Chime up to 110dB Loud Door Entry Alarm Doorbell Chime (door chime)

  • Door open alarm for windows and doors when opening, the receiver makes an audible alert when the magnetic contact sensor send the “door opened” message. Great for business/office/store/garage/apartment/home security, kids safety, shop door entry chime.
  • 600ft LONG RANGE – Range up to 600 ft in open air, long enough to mount the door chime receiver as you will. Can use it as mailbox alarm alert.
  • 30-110dB ADJUSTABLE VOLUME – Plug-in wireless door chime with 4 levels of adjustable volume from 30dB to 110dB is available. You can easily adjust the suitable volume as your need.
  • 52 MELODIES DOOR CHIME & LED FLASH – 52 different ring tones for your choice, you can program your different enjoy chime for different doors. Low Power Consumption, battery of door contact sensor can work for about 1 year.
  • EASY TO INSTALL & WARRANTY- Simple peel and stick installation, easy to install it on door and window, plug and play. Friendly Customer Service and 1-Year Free Warranty.
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BOSCH SECURITY DS9370 Panoramic TriTech Ceiling Mount Detector,Silver

  • ...entering the bedroom, kitchen), etc. It can be installed in less than 30s with a film sticker contained. Note: Please read the manual carefully before use.
  • 1 - Year Warranty: We provide 30-day Return and 1-year warranty to ensure you get a better buying experience. If you have any questions, Please don't hesitate to contact us. Package Contents: 1 x Motion Sensor Alarm, 3 x AA batteries, 1 x Double Side Tape, 2 x screw, 1 x Instruction manual, 1 x Remote Control (2 different style remote control random delivery).
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Motion Sensor Alarm, 120 dB 5 Door Alarm Modes 4 Volume Levels with Remote Control Indoor Motion Detector Alarm for Home Shop Store

  • 【Smart Motion Alarm】If you have received a defective product or a wrong item please contact us as soon as possible.Motion sensor alarm have high detection, anti-false alarm & remote control functions. The infrared sensor detects motion and emits a audible signal(up to 120 dB) & flashing light keep you informed or ensure safety. It's suitable for business, home, office, etc..
  • 【5 Ringtones Mode & 4 volume levels】General alarm (The alarm does not stop until you disarm it with the remote control). Entry welcome door chime (Ding-dong entry chime, only rings once). 3 kind of classic ringtone (Stop after playing the full ringtone)..
  • 【Two Charging Methods】Powered by 3 AAA batteries (Not Included) or USB cable (included). Perfect indoor motion alarm for business, home, store, welcome door entry chime, etc. Even at night, the infrared detector can also detect movement without false alarms..
  • 【Easy Installation】Just install it in the right place: mounted on the wall or mounted vertically on the ceiling, the PIR motion detector features a 120° detection and 180° flip design, the detection range up to 19-26 ft, remote control distance up to 26 ft in open area..
  • 【Hassle-free Warranty for Life】You will be support 7*24 hours by our service team, ple....
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Door Alarm with Delay Sanjie Door Alarms with Chime 130 Db Adjustable Volume for Freezer/Refrigerator/Home/Business 5-In-1 Mode Time Delays Door Open Alert 3 Pack White

  • Door Left Open Alarm With Delay: When the door opened for 15 seconds, it will start alert and last for 30 seconds,they can be a good reminder for your....
  • 130db Alarm Loud Enough: Door left open alert deterring thieves effectively by 110dB loud alarm, also prevent toddlder /pets going out the house from....
  • Open door chime with 5 modes -- Not only on/off setting, but also General Alarm, Constant Alarm, Closing-door Alert and Doorbell Mode. You can easily....
  • Low Battery Reminder : Size door chime alarm: 2.2" x 1.3" x 0.67", Magnetic sensor size: 1.37" x 0.42" x 0.39". When the battery is low, will soud Di....
  • Simple peel and stick installation: package Includes everything you need when install. Came with LR44 batteries and adhesive tape. Please contact us....
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EverNary Door Window Alarm 7pack Wireless Burglar Alert 125dB Loud Pool Door Alarm for Home Kids Saftey 4 Working Modes Magnetic Sensor for Garage Business Hotel Apartment Office

  • Multiple Alarm Modes: Burglar alarm with 130DB loud,continue 30 seconds alarm.
  • Doorbell Sound as Door Chime,Alert someone come in.
  •   Di-Di Intermittent sound:Remind someone to close refrigerator door/medical kit.Switch off can stop all working..
  • 125dB Burglar Alarm: The Door Window Alarm on Burglar Alarm,130db loud when door or window opens, helps deter intruder thieves and alert residence..
  • Easy to install: Use Double-sided tape, tape it on a window door or anywhere you need, then all done! No any wiring or screws needed.Fit for Home, office, apartment, garage, pool door, medicine box, refrigerator etc. Also for trip..
  • Instant Alarm Reminder: The minimum trigger distance is 0.59inch.The alarm will be triggered and alarm immediately when  doors or windows be opened..
  • Double-side magnetic sensor alarm: More places can use it than single side sensor.（IT FITS ON FLAT DOOR AND FRAME.).
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Car Alarm System with Remote Control, Security Antitheft Alarm System 120dB 6 Tone 7-Level Sensitivity Sensor,Alarm Loudspeaker Universal 12V Vehicle Alarm Security Protection System

  • ... 【Long Distance Alarm】The high frequency antenna ensure the car alarm system can be valid for 1000 meters..
  • 【Universal Car Alarm】Universal for cars 12-15V power input, pls don't install it if more than 15V voltage. Please contact with us at any time if you need assistance during installation or usage..
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VJOYCAR Wireless Car Alarm 2-Way LCD Pager Remote Control DIY Install Universal Vehicle Anti-Theft Security Siren Horn System with Shock Vibration Window Door Trunk Open Alarm

  • ...ect car vibration or motion, the siren will alarm and notify to LCD remote control also..
  • 【Long Distance Alarm】The high frequency antenna ensure the car alarm system can be valid for 1000 meters..
  • 【Universal Car Alarm】Universal for cars 12-15V power input, pls don't install it if more than 15V voltage. Please contact with us at any time if you need assistance during installation or usage..
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WiFi Door Sensor, TESSAN Smart Window Contact Sensor Compatible with Amazon Alexa, Google Assistant, No Hub Required, Sends Alerts, Wireless Remote Alarm, Programmable with Smart Life Devices

  • Smart Security Sensor: TESSAN door and window alarm sensor is designed to monitor the open or close status of any entrance.
  • An alert notification will automatic send to you in 10 seconds once the sensor triggered.
  • Ideal for front door, window, baby room, garage and more.
  • Door status and battery power can be check in app.
  • Programmable Sensor: Extend your smart home automation with TESSAN wifi door sensor.
  • Automatically turn on your smart wall switches or lights when door opened.
  • Automatically turn off your air-condition when window opened.
  • More smart devices can be sync as long as they compatible with Smart Life app.
  • Support 2.4Ghz Wifi only, dual-band (2.4G and 5G) WiFf need to set a separate 2.4G channel.
  • Hand-Free Voice Control: TESSAN wifi garage sensor is compatible with Amazon Alexa and Google Assistant.
  • Simply give a voice command to check the open or close status instead of going down or picking up your phone.
  • Your voice device will work as chime, siren or alarm when the sensor triggered.
  • Saving your operation time and make your smart home life more convenient and easier.
  • Peace of Mind: All alarm record history can be check in app.
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Smart Door Sensor 2 Pack, TESSAN WiFi Window Contact Sensor Work with Amazon Alexa, Google Assistant, No Hub Required, Trigger Phone Notification, Phone Alarm, Programmable with Smart Life Devices

  • Smart Security Sensor: TESSAN door and window alarm sensor is designed to monitor the open or close status of any entrance.
  • An alert notification will automatic send to you in 10 seconds once the sensor triggered.
  • Ideal for front door, window, baby room, garage and more.
  • Door status and battery power can be check in app.
  • Programmable Sensor: Extend your smart home automation with TESSAN wifi door sensor.
  • Automatically turn on your smart wall switches or lights when door opened.
  • Automatically turn off your air-condition when window opened.
  • More smart devices can be sync as long as they compatible with Smart Life app.
  • Support 2.4Ghz Wifi only, dual-band (2.4G and 5G) WiFf need to set a separate 2.4G channel.
  • Hand-Free Voice Control: TESSAN wifi garage sensor is compatible with Amazon Alexa and Google Assistant.
  • Simply give a voice command to check the open or close status instead of going down or picking up your phone.
  • Your voice device will work as chime, siren or alarm when the sensor triggered.
  • Saving your operation time and make your smart home life more convenient and easier.
  • Peace of Mind: All alarm record history can be check in app.
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DENFOON WiFi Home Security System Kit 8-Piece (2.4GHz), with 2 Remote Control, 5 Door Window Sensors, 1 Motion Detector Alarm Host, Compatible with Alexa and Google Assistant

  • 【8-piece WiFi home security system kit 】The package includes 1 motion detector alarm host , 5 door alarm sensor, 2 remote control. The motion detector alarm host connects with 2.4GHz WiFi Router and the door alarm sensor connects with the motion detector alarm host..
  • 【Work with Alexa & Google Assistant】 Our home security system is compatible with Alexa and Google Assistant, very convenient to use..
  • 【Real Time Alerts】When the door or window are opened or unexpected motion is detected, the alarm host will make a sound up to 110dB and send a notification to your phone by tuya app, giving you a lot of peace of mind when you aren't home..
  • 【DIY Home Security System 】There are armed, disarmed and home modes that you can choose, also you can change detailed settings according to your needs by app,such as delay the alarm, name the alarm sensor.
  • you can control the system by remote controller too..
  • 【With PIR】The host can work as a motion detector with PIR. What’s more, the area of the detector is cylindrical, will effectively decrease the false positive rate..
  • 【 No subscription Fees】Denfoon home security system is one-time purchased, no more other monthly fees needed, saving you money..
  • 【Backup Battery and Low Battery Alert】The motion d....
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