Approx.100-110DB Loud alarm siren. When the lock body or vehicle is vibrated, the lock will give an alarm "DU DU DU". When the lock is vibrated again, it will give an alarm and keep the alarm with serial vibration.
eBay
Bike U Lock Heavy Duty Bike Lock Bicycle U Lock, 16mm Shackle and 3.77 ft Length Cable with Mounting Bracket for Bike Motorcycle
Aliexpress UK
Type disc lock. Your information will remain secure and will not be used for any other purpose. We're happy to help. We’re here to help! Add to Favorite. If these conditions are not agreeable, we kindly request that you refrain from purchasing from us.
eBay
Bike Lock General Bicycle Horseshoe Claws Anti-Theft Lock Password Road Bicycle Locks Outdoor Bicycle Accessorie
Aliexpress UK
[Bicycle disc brake lock]. [Use]: lock bicycles, electric vehicles, motorcycle disc brakes. Lock size: 5.5x4.5x2.5cm. Weight: 0.13 kg.
eBay
Bicycle Lock Outdoor Anti-Theft Bike Lock with 2 Keys Weatherproof Heavy Duty Bicycle Lock for Bicycle Motorcycle Scooter
Aliexpress UK
Heavy Duty Motorbike Motorcycle Bike Scooter Disc Lock Padlock + Keys Security. Attaches to the disk making it extra difficult to remove without the key. 1 x Disk brake locks. Size: Lock groove depth 48 mm, about 9 mm wide, lock column 6 mm in diam.
eBay
Bicycle 5 Digit Code Cable Lock 1200mm*12mm Anti-theft Bike Password Lock Bike Security Steel Cable Cycling Lock Bike Parts
Aliexpress UK
Disc Lock Reminder Cable Chain & Wall Anchor. Fits Between Handlebar Lever And Fitted Disc Lock. 1.2M Chain Lock Set. 1.5M Chain Lock Set. 2M Chain Lock Set. Motorcycle Parts.
eBay
Portable Bike Anti-theft Ring Lock High Security Scooter Electric E-Bike Road Bike Lock Sliver Bicycle Cable Locks
Aliexpress UK
The keyless press to lock, once the touch vibrates, there will be a warning beep first, and the continuous touch will continue for 15 seconds of the alarm sound. Button battery, plenty of power, easy to replace.
eBay
Toptrek Bicycle Lock Foldable Bike Lock MTB Road Fold Lock High Security Anti-Theft Scooter Electric E-Bike Bicycle Accessories
Aliexpress UK
Type:Motorcycle Disc Brake Lock. - Light weight, small size, easy to carry and easy to use. - Easy to use and install, just press the button your car is locked. Due to the different display settings, the real product may have a little color error.
eBay
Bike Steel Cable Lock with Mounting Bracket Bicycle Steel Wire Lock High Security Mountain Bike Safety Lock for MTB Road Bike
Aliexpress UK
The key is turned and pressed to lock; touching the good will trigger a vibration and then emit a warning beep; a light tap will produce a continuous sound. 1 x Disc lock reminder cable. Button battery, easy to replace.
eBay
Bicycle 5 Digit Code Cable Lock 1200mm*12mm Anti-theft Bike Password Lock Bike Security Steel Cable Cycling Lock Bike Parts 5128
Aliexpress UK