Best Alarm For Door Left Open In May 2025

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Check out our product review of the Best Alarm For Door Left Open. We tried 10 models and can tell you the absolute best varieties.

To help you in your search, we have completed this list of the Best Alarm For Door Left Open.

Top Rated Best Alarm For Door Left Open Of 2025

Rank	Product Name	Score
1	Door Sensor Alarm, Door Sensor 120dB Wireless Window Alarm 4 Alarms Modes Burglar Buy Now	9.7 Buy Now
2	Wsdcam Door and Window Security Alarm Wireless Time Delay Alarm Magnetic Triggered Door Buy Now	9.5 Buy Now
3	GREENCYCLE 1PK Door and Window Alarm 4-in-1 Mode Window Alarms for Wireless Alarm Buy Now	9.1 Buy Now
4	Govee Door Open Chime Upgraded, 1 Magnetic Door Entry Alert Security Contact Sensor Buy Now	8.8 Buy Now
5	GE Personal Security Window/Door Alarm, 2-Pack, DIY Home Protection, Burglar Alert, Wireless Alarm Buy Now	8.6 Buy Now
6	(New Version) AMIR Refrigerator Thermometer, Wireless Indoor Outdoor Thermometer, Sensor Temperature Monitor Buy Now	8.3 Buy Now
7	Door Window Alarm 2 Pack Noopel Home Security Wireless Magnetic Sensor Burglar Anti-Theft Buy Now	8.1 Buy Now
8	Door Open Alert BITIWEND Wireless Door Sensor Chime for Office/Home/Store,Door Open Chime Window Buy Now	7.8 Buy Now
9	Wireless Home Security burglar alarm, Magnetic Sensor Door Window Alarm, Super Loud 110dB Buy Now	7.5 Buy Now
10	Koogeek Door Window Sensor,Open Entry Smart WiFi Sensor Contact Door Window Sensor, Notification Buy Now	7.2 Buy Now

1. Door Sensor Alarm, Door Sensor 120dB Wireless Window Alarm 4 Alarms Modes Burglar

• Fast automatic switch:ultra-sensitive magnetic sensor can quickly detect your door or window status, the wireless door alarm sensor works with 2*aaa battery (batteries are not included).
• No worry purchase: each secrui customer is valuable and will be supported by 7 days*24 hours online service. we also offer a 12-month warranty. please contact us for a satisfactory solution if any trouble happens to you.
• Easy to install: this security kit can be easily installed as it is adhesive on the bottom. you just need to stick the alarm sensor on the window or door, then the installation is finished. it can also be used as a doorstop alarm, pool door alarm, garage door alarm or sliding door alarm.
• 4 alarm modes: it has 4 types of alarm modes--#1 ordinary alarm mode (alarm will last for 1 minute if your door is being open), #2 doorbell mode (ding dong, rings once as a welcome tone ),#3 alarm and stop mode (it will alarm loudly if the door is open, and it will stop as soon as your door is closed),#4 door closing reminder mode ("di di", from low to high, it will r...
• Door & window open alarm: this secrui magnetic door window alarm sensor will emit a high volume alarm of 120db when the door is suddenly open. it can prevent your kids from sneaking out. and its a perfect door alarm for kids' safety, anti-theft, home, and business security.

2. Wsdcam Door and Window Security Alarm Wireless Time Delay Alarm Magnetic Triggered Door

• Door and window alarm helps deter intruder/thieves effectively by 108db loud alarm, also can be door open chime help notify you if children/pet or others are coming/ going
• General alarm, constant alarm, time delay(closing-door alert ), doorbell 4 in 1 multi-function, you can set the appropriate mode according to your need
• Easy to press off/on button to power off/on when you don't wanna to hear any sounds of this door alarm or when you need it
• Simple peel and stick installation & low consumption design, they can work for over 2 years
• Magnetically triggered door alarm sensor suitable for doors, windows, sliding door/ window, freezers and refrigerators

3. GREENCYCLE 1PK Door and Window Alarm 4-in-1 Mode Window Alarms for Wireless Alarm

• Easy to install choose the location of a door or window to install the alarm. paste the alarm and the magnet on the door and the doorframe with the sticker. please notice that the line on the magnet should match the line on the alarm.
• Mini size and wide applicationthis alarm with high quality and mini size, suitable for most of doors and windows (sash window /sliding window ), cabinets, and drawers. great for home, garage, rv and warehouse security, kids safety, also freezers and refrigerators.
• 4 in1 modes window alarm sensors with 4 modes general alarm-constant alarm, closing-door alert (time delay) and doorbell mode. you can easily set the mode as your need.
• Batteries included and battery low indicate contain 3 pcs lr44 batteries for the host , continuous standby over 1 year.with battery low indicate , if in low battery, it will sound "du-du-du-du" to warn you replace the battery.
• 110db loud alarm door window alarm deterring thieves effectively by 110db loud alarm, also can prevent children /pets going out the house without notice .

4. Govee Door Open Chime Upgraded, 1 Magnetic Door Entry Alert Security Contact Sensor

• Wide working range: the wireless door chime offer up to 330 feet detection range. far enough to cover every window and door in your house and store. the chime receiver will alarm immediately when the magnetic door sensor separated 2cm.
• Upgraded: add dog's barking, siren to 36 unique ringtones. best gift for family.
• Customized alarm chime: the chime choices include a doorbell, barking dog, siren and various snippets of well known songs. and 5 adjustable volume0-110db). and the led indicator creates a visual led alert for the hearing impaired.
• Easy setup and installation: the doorbell chime has already been paired out of box, simply plug in the receiver and choose the ringtones and volume youd like, tear the double sides adhesive tape and stick the sensor to the door or window.
• 110db loud audible alarm: wireless door open sensor is loud enough to detects entry, prevent kids, babies or pets going out the house, protecting your home or office.

5. GE Personal Security Window/Door Alarm, 2-Pack, DIY Home Protection, Burglar Alert, Wireless Alarm

• Built-in low battery test button to easily check battery life, includes four lr44 batteries for each alarm
• Easy and convenient to install, requires no wiring, mounting hardware and instructions included, designed for indoor use only
• Includes two window/door alarms, each with three adjustable settings off/chime/alarm
• Comes with a 90-day limited warranty. perfect for home, garage, apartment, dorm room, mobile home, rv, office and more
• Loud 120-decible alarm sounds when door or window opens, helps deter intruder and alert residence

6. (New Version) AMIR Refrigerator Thermometer, Wireless Indoor Outdoor Thermometer, Sensor Temperature

• Audio alarmthe wireless thermometer console includes audible and visual alarms when temperature exceed your pre-set minimum and maximum alarm settings.
• Multiple installtion waysthe wireless thermometer is easy to install. the display unit can stand on the table, hang on the wall, magnet on the refrigerator. the wireless sensor can clip on door or hang on the wall.
• Operate easilythere are 6 function keys on the main unit and signal indicator on the transmitter, you just press the corresponding key to turn on/off the alarm, switch the celsius or fahrenheit and clear the max/min records.
• Easy to read displaythe lcd screen with large digit.records min and max temperature provides the historical temperatures readings. with this feature, you can easily monitor the temperature change of your refrigerator and provide double protection to your food safety.
• Temperature rangethe indoor/outdoor thermometer range: indoor -10~ 60 (14~ 140), outdoor -40~ 60 (-40~140) and the transmission range is 100m/328ft(open area). you can use it in the fridge, freezer or outdoor, which provides safe food storage.

7. Door Window Alarm 2 Pack Noopel Home Security Wireless Magnetic Sensor Burglar Anti-Theft

• Ultra-thin door and window alarm with 2 adjustable settings (off/on).3xlr44 batteries included
• Magnetic door window alarm sensor 120db alerts a person to a door or window opening
• Ultra-sensitive also low battery indicator to check battery life. this is a perfect affordable compliment for your home security.
• Easy installation, no wiring needed! no screws needed! included double sided tape!
• Prevent children going out the house without notice. also ideal entry warning for your home, office, apartment, garage and so on

8. Door Open Alert BITIWEND Wireless Door Sensor Chime for Office/Home/Store,Door Open Chime Window

• 1 year quality service: any problems about door open chime,pls contact with our customer service team to get a full refund or replacement.
• Alarm contact sensor: the operating wireless range is 600ft in open area with led indicator,ideal door sensor chime for office/home/store.
• Easy intallation: pls install it after pairing.plug the receiver into socket,tear off the tape behind door sensor then paste on the door.
• Expandable: each door sensor or receiver can be expandable,you can use them with additional bitiwend door sensors or doorbells.
• Loud sound: 52 different ringtones with 4 sound level from 25~110db to adjust, perfect for your daily use(indoor use only).

9. Wireless Home Security burglar alarm, Magnetic Sensor Door Window Alarm, Super Loud 110dB

• Loud 110db-enough to scare the intruder or notify neighbors.
• 100% satisfaction service - 3xlr44 batteries included, also low battery indicator.hendun provides 100% customer satisfaction guarantee, 1-year warranty and 24*7 customer support.
• Chime mode - is ideal to prompt you when child, guests or dementia patients are opening the door.
• Alarm activated - when the parts are separated, recombined stops.
• Easily installated - in pool doors/refrigerator/drawer/freezers/interior door for kids safety. battery can last longer.

10. Koogeek Door Window Sensor,Open Entry Smart WiFi Sensor Contact Door Window Sensor, Notification

• Full peace of mindkoogeek door open sensor provides 24-hour monitoring. even you are far from your home,garage,car,shed,and garden,etc,you can check whether the door/window is open with free koogeek life app anytime and anywhere,giving you a full sense of security.
• Your personal butler&receptionist instant notification to your phone immediately when door or window is opened or closed. with koogeek door window sensor, you don't have to worry about your baby going out of house without notice, and easily know when your aged parents leave or arrive home, even can be clear when someone enters your shop,office and company reception,e...
• Everything is under controlsupport checking unlock / lock records and battery level on free koogeek life app.never worry about missing any important moment or running out of battery.if you install more than one koogeek smart wifi door sensor in different places. all the status of doors and windows will be displayed simultaneously within the app so that you can easily...
• Buy with confidence& special giftkoogeek door window sensor are thoughtful gift for your loved one's for every special occasions.
• Automation&works with alexa/google assistantset up automation scenario based on the condition of koogeek door entry sensor.for example, the smart light of the bedroom will be automatically turned on while the door opens, giving the appearance that someone is at home.it is compatible with alexa and google assistant.so you can know the status of doors/windows by giving...