Loud 100dB battery operated alarm. (requires 4x AAA batteries, not included). 4 digit security code.
eBay
10Pcs Key Embryo AB Lock Security Door Key Blank Electric Door Lock Blank Fingerprint Lock Password Lock Blank Car Key Blanks
Aliexpress UK
Detection angle 120°. Power : battery DC 3V (1.5V; 2x AA 1.5V battery). Power on and battery condition LED. 1 x User guide. Can be wall mounted using the adjustable fixing bracket provided or keyhole slot in the back of the unit.
eBay
Smart Euro Cylindrical Door Lock ttlock app Keyless Security Entry Mechanical Key Waterproof fingerprint door lock For home
Aliexpress UK
Wireless Security & Motion Detector with Alexa Integration. Why choose our Smart Door Alarm Sensors?. Don't compromise on safety or comfort. Automate your lighting for convenience and safety. Effortless Installation: Tool-free setup allows for quick installation in seconds.
eBay
Zinc Lock Core Easy To Use Euro Cylinder Barrel Door Lock Aluminum Lock High-quality For Exterior Doors Home Security
Aliexpress UK
This wireless door stop alarm is designed for added awareness when a door is opened. Simply place it behind the door; when pressure is applied, the alarm emits a loud sound to alert nearby people. The door stopper style allows easy setup without tools or installation.
eBay
New Tuya Door Eye Hole Security 1080P HD 3MP H.265 Wide Angle FishEye CCTV Network Mini Peephole Door WifI Camera P2P ONVIF
Aliexpress UK
DUAL MODE SELECTION: Switch and alarm mode integrated key, push up is the doorbell, push down is the alarm sound, when not in use, the switch key resets. STRONG DETERRENT: Built-in high-loudness alarm horn, the decibel reaches 120db, making a harsh sound, powerfully deterring thieves.
eBay
Family Bedroom Apartment door lock Tuya Electronic Smart Lock Fingerprint Password with Digital Door Security Biometric Lock
Aliexpress UK
Features: -It uses a 110dB high decibel alarm, which can play an effective warning role. -Using high-sensitivity sensor, the alarm will be triggered immediately when the door or window is opened 1 cm. -Using double-sided tapes for installation, no drilling, no tools required, easy to use. -Powered by 2 AAA batteries (not included), energy-saving and low-consumption, the lights of the remote control and the host will flash to remind when the power is low. -Using reed switches and industrial-grade chips to ensure low false alarms. -Suitable for rental houses, dormitories, hotels, warehouses, shopping malls, shops, villas, etc. .
eBay
XSDTS Biometric Fingerprint Smart Door Lock Electronic Digital Lock Password Fingerprint Keyless Security Door Handle Home
Aliexpress UK
120dB super loud alarm ringing frightens thieves away, more secure in use. Alarm sound pressure: 120dB. Human body electric field induction, high sensitivity, alarm when thieves' hands are within 1cm close to the door lock.
eBay
High-quality door lock Useful Steady Cam Lock padlock for Security Door Cabinet Mailbox Drawer Cupboard camlock 16mm + 2 Keys
Aliexpress UK
Can be used as a doorstop when power switch is turned off. 1 Door Stop Alarm. Battery: 1 9V battery(Excluded ). No installation required, easy for travelers to carry. If you are satisfied with our service, pls.
eBay
Cam Lock Padlock Door Lock For Security Door Lock Cylinder With Cover With 2 Keys 22 X 16mm Aluminum Alloy Cabinet Mailbox
Aliexpress UK