Best Door Locks With Alarms for Travel, Home, and Child Safety
The best door lock with an alarm depends on where you plan to use it. The SECURITYMAN is best for travelers who want a portable lock and adjustable 130dB alarm, while the Monsin two-pack suits buyers seeking doorstop-style alarms for more than one door. The Cprnru combines a floor brace with an 80dB alert; the KIZZHISI is designed for childproofing doors, windows, and cabinets; and the MIMIRACLE is a portable stopper for compatible inward-opening doors.
| Product | Best For | Key Feature |
|---|---|---|
| SECURITYMAN Portable Door Lock | Travelers wanting a lock and alarm | Adjustable sensitivity; 130dB alarm |
| Monsin Door Stop Alarm | Buyers needing two doorstops | Two alarms with three sensitivity levels |
| Cprnru Portable Door Lock | Travelers wanting a floor brace | Integrated 80dB alarm |
| KIZZHISI Child Proof Door Lock | Childproofing doors, windows, or cabinets | Adjustable chain with abnormal alarm |
| MIMIRACLE Door Stopper Security | Travelers with compatible inward-opening doors | Portable design; stated gap range of 0.2–2 inches |
SECURITYMAN Portable Door Lock With Alarm

This two-in-one device combines a door lock with a vibration alarm that the product listing rates at 130dB. It offers high, medium, and low sensitivity settings, so users can select an alert level for their setting. The compact design includes a storage pouch and is described as quick to set up.
Best for: Travelers, tenants, and homeowners who want an added physical barrier and an alarm in one portable device. It is a strong fit for someone who values adjustable sensitivity instead of a single fixed setting.
Limitation: The listing does not provide door-gap or door-type measurements, so check whether the device suits your door before relying on it. An alarm is an alert, not a substitute for a primary lock.
Monsin Door Stop Alarm, Two-Pack

The Monsin set includes two doorstop alarms. Each can work as a stopper and an alarm, with three sensitivity settings: high, medium, and low. The listing describes a high-damping rubber bearing intended to resist the door sliding and specifies a 120dB alarm.
Best for: Buyers who want doorstop-style security for two locations or doors. Compared with a single portable lock, the two-pack provides a second unit, and the sensitivity options offer some flexibility for different situations.
Limitation: The product is designed to sit on the floor beneath a door, so it may be less suitable where floor placement is impractical. The listing does not specify compatible door-gap dimensions.
Cprnru Travel Door Lock With 80dB Alarm

This one-piece travel device fits into the door gap without tools, according to the listing. Its floor brace tightens against the floor as pressure rises, and the alarm is described as triggering at 80dB for five seconds when it detects forceful entry. Setup is performed from inside by positioning the brace and pressing the switch.
Best for: Renters, dorm residents, and frequent travelers looking for a portable door brace with an audible alert. Choose this if you prefer a device that is described as removable without marks or residue.
Limitation: The stated alarm duration is five seconds, and its listed sound level is lower than the 120dB and 130dB claims of some alternatives here. Check the door gap and setup instructions before use.
KIZZHISI Child Proof Door Lock With Alarm

Unlike the travel door braces, this KIZZHISI device is intended for childproofing. It has an abnormal alarm that activates during unauthorized unlocking attempts, an ABS body described as non-toxic, and a stainless-steel chain. The chain length is adjustable from 0 to 8 inches, according to the listing, for uses that include doors, windows, cabinets, and cat doors.
Best for: Caregivers seeking an adjustable child-safety latch with an alarm for household openings. Its chain design makes it a different choice from floor wedges and portable hotel locks.
Limitation: The listing does not state the alarm’s decibel level or provide detailed installation requirements. Confirm that the intended surface and opening are appropriate, and do not treat a childproofing latch as a replacement for supervision.
MIMIRACLE Portable Door Stopper Security

The MIMIRACLE is a portable door security stopper for hotels, apartments, bedrooms, rentals, dorms, and trips. The listing says it fits most inward-opening doors with gaps from 0.2 to 2 inches. At 9 ounces, it is described as lightweight and includes a storage pouch.
Best for: Travelers who want a compact doorstop-style security device and can confirm their door opens inward and falls within the stated gap range. It is a straightforward option when fit measurements are the priority.
Limitation: The provided features do not specify an alarm or sound level. Choose another product in this list if an audible alert is essential.
Buying Guide: How to Choose a Door Lock With an Alarm
Do you need an alarm, a physical barrier, or both?
Some products combine a stopper or brace with an alarm, while others emphasize a latch or childproofing function. The SECURITYMAN combines a lock and vibration alarm. Monsin and Cprnru use floor-braced designs with alarms. The MIMIRACLE is described as a stopper, but its listed features do not mention an alarm. Match the product’s stated function to your main need.
Will it fit your door and floor?
Check the opening direction, the gap beneath the door, and whether a floor-based device can sit securely in place. MIMIRACLE states a compatible gap range of 0.2 to 2 inches and is intended for inward-opening doors. The other listings do not provide the same detailed fit range, so consult their product instructions before purchase.
How loud or adjustable should the alarm be?
Compare stated alarm levels and controls rather than assuming every product sounds the same. SECURITYMAN lists a 130dB alarm with three sensitivity levels, Monsin lists 120dB and three levels, and Cprnru lists an 80dB alarm that sounds for five seconds. The KIZZHISI listing describes an abnormal alarm but does not provide a decibel figure.
Is portability or childproofing the priority?
For travel, consider storage, setup, and whether the device can be removed easily. SECURITYMAN includes a pouch, while Cprnru is described as tool-free and removable without marks or residue. For childproofing, consider the KIZZHISI adjustable chain and intended household uses. These product types serve different purposes and should not be treated as interchangeable.
Frequently Asked Questions
What is a door lock with an alarm?
It is a door-security device that combines a locking or blocking function with an audible alert. Designs vary, so check whether a specific model uses a latch, doorstop, brace, or another mechanism.
Which option is designed for travel?
SECURITYMAN, Cprnru, and MIMIRACLE are described as portable or travel-ready. Compare their features: SECURITYMAN has an adjustable 130dB alarm, Cprnru has an 80dB alarm, and MIMIRACLE specifies inward-opening doors and a 0.2–2-inch gap.
Which product includes two alarms?
The Monsin product is listed as a two-pack and includes two door stop alarms.
Which product is intended for child safety?
The KIZZHISI is described as a childproof door lock with an abnormal alarm and adjustable chain. Review its installation details and use it as one part of a broader child-safety plan.
Does every door alarm physically lock the door?
No. Some products combine an alarm with a brace or stopper, while others focus on an alert or latch. Read the individual feature description to confirm the type of physical barrier provided.