Best Wireless Door Sensors

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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Alarm System for Home Security, GRSICO Wireless Home Alarm Kit 9 Piece, WiFi Alarm System Sensor for Door and Window, Motion Sensor, Remote, Keypad, DIY WiFi Alarm Siren, Works with Alexa, No Contract

  • GRSICO WIRELESS ALARM SYSTEM: A great do-it-yourself alarm system fit to protect your house. The smart WiFi alarm 9-piece kit includes 1 alarm siren station, 1 keypad, 4 windows & door sensors, 1 motion detector, and 2 remote controls..
  • Easily DIY Installation: Set up the alarm system in minutes all by yourself making home security easier. The entry sensors attach to doors and windows, while the motion sensor can be secured to walls via the included mounts..
  • Remote Control: Wherever you are, you can control and monitor your smart alarm system on the Smart Life App anytime, such as arm/disarm your home remotely, and personalized Entry, and Exit Delay. A great way to get started in whole-home protection for your house or apartment..
  • Early-Warning Notifications: Receive real-time early-warning notifications in the form of smartphone banner alerts, limited SMS/text messages, and calls(add-on values) to deter burglars successfully and always give you peace of mind..
  • Easily Expandable: Supports up to 20 sensors and 5 remotes. Add additional entry sensors, motion sensors, keypads, and more to GRSICO alarm system to quickly and easily expand your entire home protection to suit the size and layout of your home..
  • Hands-Free Voice Control: GRSICO wireless alarm....
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Wsdcam 12 Pack Door and Window Alarms for Home Security, 110 dB Magnetic Sensor Alarm, Door Pool Alarm for Kids Safety, 4-in-1 Mode Small Wireless Door Alarms

  • 110dB LOUD ALARM - 110 decibel loud alarm goes off when door or window opens and it will not stop even the door closed, effectively helps deter intruder and alert residence. The wireless window sensors will give you peace of mind.
  • 4-in-1 MODE - 1. General Alarm (alarm stop if door closed).
  • 2. Constant Alarm (constant alarm even door closed).
  • 3. Closing-door Alert (sound “Di..Di” from 0dB to 110dB).
  • 4. Door Open Chime (sounds “DingDong” once if door opens), super easy to set the mode according to your need.
  • SMALL SIZE DESIGN - Alarm Sensor Size: 2.2" x 1.3" x 0.67.
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Smart Wireless Temperature / Humidity Sensor Wide Range (-22 to 158 degrees) for Freezer Fridge Monitoring Pet Cage/Tank Monitoring Smartphone Alerts, Works with Alexa IFTTT, 2 Pack - Hub Included

  • DON’T TRY THIS WITH WiFi! Our unique LoRa-based sensors are different from WiFi, Zigbee, Z-Wave and most other wireless smart sensors in that they are extreme long-range (up to 1/4 mile open-air), low-power (years between battery changes), and work outdoors*, on other floors, and even in a metal box (like a fridge or mailbox)!.
  • MONITOR & MANAGE your temperature and humidity concerns, whether it’s a fridge or freezer, a barn or bedroom, a chicken coop or a dog kennel, a plant nursery or your child’s nursery – anywhere! *Consider one of our weatherproof sensors, designed for outdoor use.
  • ECONOMICAL SMART FRIDGE! Save thousands when you make ANY fridge smart (or smarter) with YoLink smart sensors. Start with temperature sensors, then add door/lid sensors, leak sensors and a Power Fail Alarm..
  • PLUG, PLUG & PLAY! Take advantage of direct ethernet connection and be online almost instantly when you plug your Hub into your router or network switch. Or, use hot spot mode to connect to your WiFi network in moments. Add devices in seconds using our Scan & Play QR code scanner in the app! Set your notification preferences, test your new sensors, then enjoy years of trouble-free operation!.
  • KNOW NOW! You have many options for being notified of device act....
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Wsdcam Window and Door Alarms for Home Security, 110dB Magnetic Sensor Alarm, Pool Door Alarm for Kids Safety, 4-in-1 Mode Small Wireless Window Alarms 4 Pack - Black

  • 110dB LOUD ALARM - 110 decibel loud alarm goes off when door or window opens and it will not stop even the door closed, effectively helps deter intruder and alert residence. The wireless window sensors will give you peace of mind.
  • 4-in-1 MODE - 1. General Alarm (alarm stop if door closed).
  • 2. Constant Alarm (constant alarm even door closed).
  • 3. Closing-door Alert (sound “Di..Di” from 0dB to 110dB).
  • 4. Door Open Chime (sounds “DingDong” once if door opens), super easy to set the mode according to your need.
  • SMALL SIZE DESIGN - Alarm Sensor Size: 2.2" x 1.3" x 0.67.
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Wsdcam Door and Window Alarms for Home Security, 110dB Magnetic Sensor Alarm, Pool Door Alarm for Kids Safety, 4-in-1 Mode Small Wireless Door Alarms 4 Pack - White

  • 110dB LOUD ALARM - 110 decibel loud alarm goes off when door or window opens and it will not stop even the door closed, effectively helps deter intruder and alert residence. The wireless window sensors will give you peace of mind.
  • 4-in-1 MODE - 1. General Alarm (alarm stop if door closed).
  • 2. Constant Alarm (constant alarm even door closed).
  • 3. Closing-door Alert (sound “Di..Di” from 0dB to 110dB).
  • 4. Door Open Chime (sounds “DingDong” once if door opens), super easy to set the mode according to your need.
  • SMALL SIZE DESIGN - Alarm Sensor Size: 2.2" x 1.3" x 0.67.
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Fuers 110db Loud Standalone Indoor Strobe Flashing Siren Door and Window Spot Alarm System DIY Kit, Wireless Home Security Burglar Alarm System,Keyfob Remotes and Motion Detector

  • Trustable System - Strobe Flashing Siren is responsible for communication with all sensors and decide when will alarm.Door/Window sensors detect any forceful break-in,motion sensors detect any suspicious movement or activity in your home,remote key fob is for quickly arm, disarm, stay arm or SOS call your security alarm system..
  • Operate easily - No Need GSM SIM Card & WIFI Network,No Need App.it will help you avoid the trouble in setting the alarm system with gsm or pstn,wifi and the complex setting,when it is triggered,it will alarm onsite and strobe flashes..
  • Plug and play - The Standalone Alarm System is built-in Ni-Hi rechargeable battery 3.7V/600mAh,Standby over 8 hours in case of a power failure..
  • Expanded & DIY - Support expansion of up to 50pcs sensors and 30pcs remote tags for different size houses as you need,The wireless motion sensor alarm system comes with fully programmable the siren host and sensors,after you get the items,please remove insulating sheet inside sensors first,then just connect with Power supply and directly use the item..
  • Volume is adjustable -This home office alarm security system is loud 110db with 8 different volume levels, including silent mode where only the strobe flashes,so you can install it in baby room..
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Chamberlain / LiftMaster / Craftsman Garage Door Opener Replacement Safety Sensors G801CB-P, Includes 2 Sensors, Mounting Brackets and Hardware

  • More control: the Replacement Safety Sensors project an invisible light beam across the inside of the garage door to prevent accidents and are required for safe use of all Chamberlain / LiftMaster / Craftsman Garage Door Openers. Whenever there is an obstruction, the garage door will automatically reverse before causing any damage.
  • Chamberlain compatible: these sensors replace defective or damaged sensors for every Chamberlain / LiftMaster / Craftsman Garage Door Opener manufactured after 1997. Not Compatible with Craftsman 100 series.
  • Easy setup: includes two sensors, mounting brackets, 18″ of extension wire and instruction manual.
  • About Chamberlain: the largest and most dependable garage door opener manufacturer in North America.
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Door Chime, Wireless Door Window Contact Sensor Alarm, 500ft Range 32 Chimes 5 Volume Level LED Indicators, 1 Plug-in Receiver Door Sensor for Business/Home/Store (1 Receiver +1 Sensor)

  • ...ave your time to choose and meet your needs for different occasions like home, business or store..
  • [Door/Window Open Alert] Perfect for adding a sense of security if you have children or senior family members. This business door alarm entry chime alerts when burglar opens the door or window and helps deter break-ins(wireless door alarm activates when magnetic sensor separates). You can use the door sensor chime on the back door as an alarm, or as a way to remind businesses on the front door when a customer’s coming in..
  • [Easy to Set up] 5 levels of adjustable volume from 0-110 dB (Mute Mode Included). LED indicators are suitable for the elderly and the hearing impaired. Different ringtones are set for different doors so you can know which door you have a visitor to come in. Our door alert can remember your last melody and volume level after a power outage, no need to reset to your previous settings..
  • [500ft Wide Detection Range & 20 Expandable] The doorbell chime kit can reach out up to 500 feet wide enough range where it is open area. And it is expandable up to 20 ones, either the receiver can be paired up to 20 chime sensors, or 1 door sensors can be paired up to 20 receivers. You can install them in your dining room, bedroom, living room, gara....
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Smart Wireless Temperature Sensor/Humidity Sensor Wide Range (-22 to 158 Degrees) for Freezer Fridge Monitoring Pet Cage/Tank Monitoring, Smartphone Alerts, Compatible with Alexa IFTTT - Hub Included

  • DON'T TRY THIS WITH WiFi! Our unique LoRa-based sensors are different from WiFi, Zigbee, Z-Wave and most other wireless smart sensors in that they are extreme long-range (up to 1/4 mile open-air), low-power (years between battery changes), and work outdoors*, on other floors, and even in a metal box (like a fridge or mailbox)!.
  • MONITOR & MANAGE your temperature and humidity concerns, whether it's a fridge or freezer, a barn or bedroom, a chicken coop or a dog kennel, a plant nursery or your child's nursery - anywhere! *Consider one of our weatherproof sensors, designed for outdoor use.
  • ECONOMICAL SMART FRIDGE! Save thousands when you make ANY fridge smart (or smarter) with YoLink smart sensors. Start with temperature sensors, then add door/lid sensors, leak sensors and a Power Fail Alarm..
  • PLUG, PLUG & PLAY! Take advantage of direct ethernet connection and be online almost instantly when you plug your Hub into your router or network switch. Or, use hot spot mode to connect to your WiFi network in moments. Add devices in seconds using our Scan & Play QR code scanner in the app! Set your notifi....
Check Stock