● SOS key: Press it, the alarm will bell 110db voice though alarm is not triggered. Press[bell ] key within 2 seconds and hold up the key around 10 seconds continuously, the host produces “Bi…” sound.
eBay
Bluetooth APP Security Smart Door Lock Fingerprint Electronic Door Lock Digital Code Handle Door Lock Support ,Password lock
Aliexpress UK
Widely Used: The best use door gap size is 5-35mm, compatible with all types of floors. Suitable for the thickness from 5mm to 35mm. This door stopper can effectively protect yourself and make you more comfortable and safer.
eBay
Smart Door Lock Password Lock Electronic Household Door Lock Anti-theft Door Lock Cat's Eye Fingerprint
Aliexpress UK
Features : 1)3 Levels Adjustable Volume, from 96dB, 105 dB to 113dB 2)7 Levels Adjustable Sensitivity,from gently touch to push or beat 3)IP55 Waterproof and Durable 4)Search Function,alarm make sounds when you press the ringtone key 5)SOS Function,The alarm will automatically alarm for calling help when your bicycle tilts more than 45 degrees 6)Multi-Purpose Vibration triggered alarm suitable for Bikes, Electric Bike, Motorcycles, Scooter, Car, Trailer, Luggage, Doors and Windows 7)DIY pairing:1 Host Alarm Can Pair with uo to 8 Remote Control Specifications: Condition: 100% Brand New Shell Material: PC Alarm volume: 113dB (Test distance is 30cm) Remote control distance: 30~60m (98~196ft) Working frequency: 433.92MHz Working temperature: -20~60℃ Humidity: <80% Storage temperature: -30℃.
eBay
4 Digit Lock for Luggage Padlock Outdoor Gym Safely Code Lock Vault Password Padlock Anti-theft Lock Cabinet Door Lock
Aliexpress UK
Easy to use: The universal car safety system is equipped with a speaker alarm, which alarms through vibration induction. Alarm Static current: 8Ma. 1 Piece Vibration Sensor.
eBay
Waterproof Double-sided Gate Lock Fingerprint Lock APP RFID Code Keyless Smart Lock Electronic Door Lock for Aluminum Door/Iron
Aliexpress UK
Widely Used: The best use door gap size is 35-50mm, compatible with all types of floors. Suitable for the thickness from 35mm to 50mm. This door stopper can effectively protect yourself and make you more comfortable and safer.
eBay
Keyless Lock Combination Directional Password Padlock Portable Luggage Case Anti-Theft Security Locker Door Lock Door-Padlocks
Aliexpress UK
1x Portable Alarm Door Stopper. Easy To Use：Whether you are an adult or a child, you can use door stopper easily. Heavy Duty: These extra door locks are constructed of robustly alloy aluminum, it’s not easy to break and deform, the rubber suction cup will fasten to the ground enough to stand strong to prevent forced entry when it is on the guard position.
eBay
Falante High Decibel Alarm Padlock Siren Anti-theft Waterproof Black Silver Long Beam For Bicycle Motorcycle Door 3 brass keys
Aliexpress UK
Widely Used: The best use door gap size is 5-35mm, compatible with all types of floors. Suitable for the thickness from 5mm to 35mm. This door stopper can effectively protect yourself and make you more comfortable and safer.
eBay
KAK Security Cabinet Password Locks Keyless Door Lock Drawer Combination Code Lock for Gym Locker Lock Electronic Furniture Lock
Aliexpress UK
The lock function and alarm function are combined. Can be used for doors, windows, bicycles, containers, motorcycles, tricycles, slide door, gardens, etc. MCU core program, high-tech integrated circuit and digital sensor chip are adopted.
eBay
XSDTS Smart Door Lock Tuya Handle Fingerprint Key card Digital Door Lock Keypad Key Entry electronic lock Home House Apartment
Aliexpress UK