13 Best Rated Door Alarms 2023

Highly visible "stop sign" design acts as a deterrent

Virtually indestructible polycarbonate housing

Detects both unauthorized exits and entries

Less expensive than heavy horizontal bar type units

3 year guarantee against breakage of polycarbonate in normal use (one year on electro mechanical and electronic components).

Safe and Secure – Ward off would-be intruders with a 120-decibel alarm triggered by a high-quality magnetic sensor, or choose for a chime to sound when windows or doors are opened and closed

User Friendly – Features an easy-to-use OFF/CHIME/ALARM switch on the side of the alarm to let you choose your preference of alert, comes in a set of four to provide extra coverage for your home

Easy Install – Experience completely wire and hassle-free mounting with the included double-sided tape, everything you need is included in the box

Battery Operated – Powered by four long-life LR44 button batteries (included) and features a battery test button and low battery indicator to keep you notified of current power levels

Peace of Mind – This home security product is designed to fortify your home with a reliable layer of protection, empowering you to live your life free of worry

Safe and Secure – Ward off would-be intruders with a 120-decibel alarm triggered by a high-quality magnetic sensor, or choose for a chime to sound when windows or doors are opened and closed

User Friendly – Features an easy-to-use OFF/CHIME/ALARM switch on the side of the alarm to let you choose your preference of alert

Easy Install – Experience completely wire and hassle-free mounting with the included double-sided tape, everything you need is included in the box

Battery Operated – Powered by four long-life LR44 button batteries (included) and features a battery test button and low battery indicator to keep you notified of current power levels

Peace of Mind – This home security product is designed to fortify your home with a reliable layer of protection, empowering you to live your life free of worry

Dual Function: Can be used as a door stop alarm and door stopper, Its high damping rubber bearing can prevent the door sliding and prevent the bad guys into. A protector around you. Can be used in home and travel. Notice: The door stop alarms fit for the gap between the door and the ground be 0.6'' and 1.2''.

3 Level of Sensitivities: High-Medium-Low Sensitivities, which can be adjusted according to your own needs.

Loud Alarm: Very loud shrill that would definitely scare someone away with 120db alarm. Weight: 4.5 oz.

Powered by 9V Battery: The door stop alarm powered by 9V battery, One piece can be used for a year under normal circumstances. Very practical. (Note: Battery not include)

Easy to Use: No installation required, Simply place the alarm behind any inner pull door (home, hotel, etc). very convenient to take with you when travel or stay indoor alone. A really must have around you.

Dual Function: The bottom with mesh rubber can prevent the door sliding. With alarm switch, it can be used as a door stop alarm or door stopper.

3 Level of Sensitivities: There are high, medium and low levels of adjustment, and the pressure sensitivity can be adjusted according to different situations.

Compact Size: The door stop alarm is lightweight and compact. The weight is only 4.5 ounces. You can easy to carry around to go anywhere.

Loud Alarm: Alarm volume up to 120 DB. The loud alarm can scare off intruders and alert the homeowner. It can better protect you and your family.

Notice: Door stop alarm fits for the inner pull door which the seam gap is 0.6 to 1.2 inch. Powered by 9 volt battery(not include). When the sound fades or disappears, replace the battery.

【Door & Window Alarm】This 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 it’s a perfect door alarm for kids' safety, anti-breakin, home and business‘ security.

【4 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 remind you by repeated sound until the door is closed).

【Easy to Install & Set up】 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.

【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).

【High Quality】The most advanced optimized circuit chip is adopted to reduce the power consumption of the battery and continue to be used. High quality ABS material is used to prevent dust.

[Dual Function]: Can be used as a door stop alarm and door stopper, Its high damping rubber bearing can prevent the door sliding and prevent the bad guys into.

[3 Level of Sensitivities]: Hige-Midium- Low Sensitivities. Which depends on the distance door touch the door stop alarm.

[Loud Alarm]: Very loud shrill that would definitely scare someone away with 120db alarm. Weight: 4.5 oz.

[Powered by 9V Battery]: Powered by 9V battery, One piece can be used for a year under normal circumstances. (Note: Battery not include)

[Easy to Use]: NO installation required, Simply place the alarm behind any door (home, hotel, etc).

120 LOUD ALARM - this Magnetic sensor window door alarm loud enough to detects entry, prevent kids and babies going out the house, protecting your home or office whether you are in or out. (audible up to 750 feet/230M away)

EASY INSTALLATION - Easily mounted by adhesive, tape it on the window or door then all is done! No wiring needed! No screws needed! Completely DIY! (NOTICE: MAKE SURE THE GAP BETWEEN THE ALARM AND MAGNET PART WITHIN 0.4IN.)

2022 UPGRADED ULTRA - SLIM DESIGN - Size: 3.0" x 1.5" x 0.63", ultra-slim door and window alarm with 2 adjustable settings (alarm/chime). Perfect for home, office, store, garage, dorm room, apartment or even RV.

LOW BATTERY INDICATOR – you will easily know when to replace the batteries with its low battery indicator, no worry about failing to work. ( 4xLR44 batteries included per alarm )

WHAT YOU GET – 6 packs 2022 upgraded decent door window alarms with chime, 100% customer satisfaction service, value for your money, any questions, do contact us for help! We are always here to help you out.

Magnetic door window alarm sensor 120db alerts a person to a door or window opening. Please note: this alarm does not work on uneven surfaces.

Prevent children going out the house without notice. Also ideal entry warning for your home, office, apartment, garage and so on.

Ultra-thin door and window alarm with 2 adjustable settings (off/on).3xLR44 batteries included.

Easy installation, No wiring needed! No screws needed! Included double sided tape! Note: make sure the gap between the alarm and magnet sensor within 0.39inch.

Ultra-sensitive also Low battery indicator to check battery life. This is a PERFECT AFFORDABLE compliment for your home security.

LOUD ALARM: The 120 DB security alarm is perfect for signaling to you when there is an unwanted entry. Audible at over 750 feet it sounds loud so the person knows they should stop what they are doing. Great for prevention, protect your children’s rooms or stop anyone from sneaking out or in.

WIRELESS ALARM SENSOR: No wiring is necessary and 3 LR44 batteries are included in each device. Made to last 6 - 12 months these batteries in the alarms will be charged for extended periods of time. When it’s time to change, you’ll know. With the intuitive low battery indicator you can easily find out when you’ll have to change the batteries.

EASY TO INSTALL: The wireless security alarms can be installed anywhere with an opening. Simply use the adhesive provided and tape it to wherever you need! Windows, doors, and entrances simple and straightforward with the alarm. The minimum distance for the device to work is 15mm (0.6 inches), so when installing make sure to get both pieces of the alarm as close as possible.

SLEEK DESIGN FOR HOUSE- With an ultra slim build and sleek design these alarms can be put easily wherever you need them. Great for attaching to house doors, all types of apartments, and cabinet or office, put them where you see fit. They may be discreet and simple to install but don’t be deceived these alarms pack a punch, ready to deter any unwanted actions.

PACKAGE INCLUDED: 3 * Alarms with tapes (Batteries included), 2 * Anti-noise Ear plugs, 1 * User manual.