Best Garage Door Left Open Sensor

Bestseller No. 1
YoLink Garage Door Sensor
  • PROTECT YOUR PERIMETER! You are at risk of intrusion through your garage door, especially if your vehicles with garage door buttons are parked outside! The YoLink Garage Door Sensor allows you to monitor the status of your garage door, from anywhere at any time. You can "arm" the door on a schedule or as part of a scene or on-demand, to protect you and your family while you sleep.
  • OPEN DOOR ALERTS inform you if your garage door is left open too long. Set a duration that is the most you want the door left open, set times of day that you want to be notified, and never worry about forgetting to close your garage door again!
  • VOICE ASSISTANT features allow you to ask Alexa or Google if the door is opened or closed. The sensor is also compatible with and Home Assistant.
Bestseller No. 2
Garage Door Minder® Version II. No Wi-Fi. in Home Monitor & Alert System. 100% Wireless. Installs in Two Minutes!
  • GARAGE DOOR MINDER - VERSION II: Never worry if your garage door is open again! The new garage door status indicator has roughly twice the transmitting distance than Version 1. It features an UNLIMITED range due to our newly developed Bluetooth Mesh technology.
  • 3+ YEARS BATTERY LIFE: No Wi-Fi or Internet is needed to use this garage door open monitor. 100% Bluetooth 5 technology. Extra-long battery life, up to 3 years
  • EXTREMELY EASY TO USE: This garage door open sensor lights & beeps to tell you door status in any room of your home. The light and beeper notifications of the garage door detector comes with with programable on/off features.
Bestseller No. 3
GREENCYCLE Wireless Door Open Chime (Operating Range - 918FT | 36 Chime Tunes | 4 Volume Levels | LED Flashing Light) - 1 Magnetic Door Alarm Sensor, 1 Receiver Battery Operated
  • 🚨🚨Door chime can be used as door opening reminder: Only the action of opening the door can trigger the alarm. The moment the door is opened, the alarm will sound for 30 seconds (in night light mode, the white light stays on for 2 minutes). After 30 seconds, regardless of whether the door is open or closed, the alarm will stop, and the alarm will not be triggered again until the door is opened again. Therefore, it cannot be used as a closing reminder.
  • 🚨🚨5 Mode Choices: Welcome / Doorbell / Alarm / Color light/ Lighting: 1, Welcome reminder mode ( default ): Ding dong + selected welcome sound. 5 kinds of multi-language welcome tones. 2, Doorbell Mode: door open chime, 36 selectable chimes tunes for your choice. 3, Alert mode: Daytime & Night anti-theft mode, once the magnetic stripe is separated, immediately sounded 113 dB treble alarm for 30 seconds, wake or alert you if at home and possibly alert neighbors.
  • 🚨🚨4, Mute Light reminder mode: This mode is silent reminder mode. It is very friendly to the deaf. when the trigger detector, the more import zone reminder, optional four kinds of light colors to distinguish. 5, Night Light Mode: Can be floodlight, when the magnetic sensor is activated, the receiver automatically turns on the light, with 4 adjustable levels of brightness.( User-Friendly: 4 levels volume adjustment (Loud/High/Middle/Low ) from 113-25dB )
SaleBestseller No. 4
FRIDGGI - Freezer Door Alarm with Delay When Left Open, 60sec, 120sec, 180sec Reminders, Refrigerator and Fridge Door Alarm with Delay, Low/Loud 80dB to 110dB (White)
  • Gentle Alarms or Chimes - Alert after 1 minute (for 2 seconds), a second alarm after 2 minutes (for 4 seconds) when the fridge door is still open or ajar.
  • Continuous Alarm or Chime - Alert after 3 minutes (stay 60 seconds) will help you close the fridge or freezer door in normal situations.
  • Repeated Siren - Loud Mode includes an additional 110dB Siren every 4 minutes (stay 20 seconds), activated using SET Button (4 beeps confirmation).
Bestseller No. 5
WSDCAM Freezer Door Alarm with Delay When Left Open, 3/15/30/60 Seconds Adjustable Delay Refrigerator Alarm Wireless Fridge Alarm Door Open Alarm Loud 108 dB
  • Wireless fridge alarm goes off if the freezer door stays open for 3/15/30/60 seconds, you can easily to set the delay time as your need. It will only alert you when freezer door has been left open for 3s/15s/30s/60s, it will not annoying you while you want the door open
  • Simple peel and stick installation, easy to install on any freezer/fridge or any door without any tools, come with adhesive tapes
  • This alarm with 4 modes, it’s not only a refrigerator alarm, but also a door alarm for home security helps deter intruder/thieves effectively by 108dB loud alarm, and can be door open chime help notify you if children/pet or others are coming/ going. You can easy to set appropriate mode as your need
Bestseller No. 6
Chamberlain CLDM1 Clicker Garage Door Monitor
  • Garage door monitor with sensor
  • Indicates whether garage door is open or closed
  • Eliminates unnecessary trips to the garage and prevents theft
SaleBestseller No. 7
Wyze Lock WiFi & Bluetooth Enabled Smart Door Lock, Wireless & Keyless Entry, works with Amazon Alexa & Google Assistant, Fits on Most Deadbolts, Includes Wyze Gateway - A Certified for Humans Device
  • Wyze smart lock: Lock or unlock your door from anywhere using the Wyze app. Wyze Lock connects to your WiFi via the included Wyze Lock Gateway. Enable auto-lock and auto-unlock to never have to think about keys or codes again
  • Certified for Humans – Smart home made easy for non-experts. Setup with Alexa is simple.
  • Simple sharing: Wyze Lock lets you easily share access to your home with friends, family, contractors, dog walkers, and really, whoever you want. See a history of lock and unlock events. Wyze Lock gives you complete control of who has access to your home
SaleBestseller No. 8
myQ Chamberlain Smart Garage Control - Wireless Garage Hub and Sensor with Wifi & Bluetooth - Smartphone Controlled, myQ-G0401-ES, White
  • Smartphone control: Control, secure and monitor your garage door from anywhere.
  • “Did I shut the garage” No more worrying.
  • Open or close your garage from anywhere. Simply download the free myQ app for iPhone or Android and get connected with your very own Smart Garage
SaleBestseller No. 9
3in1 Alarm - Door Alarm with Delay 80 to 120 dB, Close Doors Reminder, Multiple Delays 0, 5, 10, 30, 60 Seconds, Time Delay Door Ajar Chime, Prevent Doors Left Ajar by Accident. (White)
  • Multi-Purpose - Appreciate up to 30 Possibilities when mixing all options (5 delays, 3 chimes + 3 Siren).
  • Mode D - Alert after 60 seconds, a reminder every 30s, auto stop after 120min or door closed (Garage, Basement door...).
  • Mode C - Alert after 30 seconds, a reminder every 20s, auto stop after 60min or door closed (Laboratory, Factory door...).
Bestseller No. 10
YoLink Smart Home Starter Kit: 4 Door/Window Sensors & Hub Kit, Compatible with Alexa, IFTTT, App for Remote Monitoring, Control and Alerts, Door Still Open (Door Left Open) Alerts
  • 1/4 MILE EXTREME LONG RANGE, thanks to our unique LoRa-based wireless system. LoRa, short for Long Range is a new technology, superior to WiFi and older RF types, in range and obstruction-penetration. Capable of covering multiple floors, as well as multiple buildings on large properties.
  • THAT WAS EASY! Be up and running in minutes, with the Hub's convenient Plug, Plug & Play setup, and our super-fast Scan & Play QR code-scanning method of adding devices to the app. The sensors install quickly and securely with the pre-applied 3M brand mounting tape.
  • PROTECT YOUR PERIMETER. If you are not using our Outdoor Motion Sensors, your Door Sensors are your first early-warning defense against home invasion and burglary. Place a Door Sensor on each door and window, add audible notification in the form of SpeakerHubs and/or YoLink siren products, and sleep soundly at night, knowing alarms will sound, and you will be notified immediately of a break-in.