Chain locks with alarm in comparison

ALARM FUNCTION Anti theft alarm bicycle lock alarms immediately when cutting steel rope or removing lock screw. Alarm immediately when shaking or moving the lock. Call the police immediately if you mistype your password three times. Over 110 decibels of alarm sound

Bluetooth Control Works for iOS and Android system, just lock and unlock your bike or motorcycle with your phone. No keys required, convenient, fast and secure.

UNIQUE ANTI-THEFT DESIGN Our bicycle lock has an anti-theft alarm function, any attempt to destroy the lock will trigger a 105dB alarm, such as vibrating the lock body, cutting the lock cord, removing the screws, etc. Perfect anti-theft measures to effectively deter theft.

STRONG PROTECTION Our chain locks are made of durable carbon steel. 10mm diameter, 2m rectangular chain, capable of withstanding 6KN tension and 10KN shear. With a anti-theft U-shaped lock, it can resist cracking in various ways.

Phone Control --Works for iOS and Android system, just lock and unlock your bike or motorcycle with your phone (for Android 4.3 and for iPhone 4s above systems).

The powerful anti-theft smart cable lock features anti-cutting, anti-disassembly alarm and vibration alarm.

110dB Alarm for Maximum Security - The chain lock equipped with a 110dB alarm, this lock effectively deters theft with a powerful sound when tampered with, providing additional protection for your valuables

DOUBLE SECURE Attach the alarm system to the bike, e-scooter or similar - optionally insert an ABUS connection chain into the box for additional security (e.g; aCH 6KS, ACL 12100, ACH IVY 6KS)

HEAVY DUTY LOCK This motion detecting anti-theft padlock will keep your personal property safe. The lock body is 6.9 x 3.2 x 9.3cm (2.71 x 1.25 x 3.66 inches) in size. The shackle is 10mm thick and made from hardened steel. The body is covered in black metal, which keeps it protected from all weather conditions. Each padlock comes with 3 keys. It has a built-in movement triggered alarm, which can emit a loud sound when the lock is hit or shaken. It is anti-cut and difficult to break.

110dB Anti-theft Alarm The bike Lock Chain with three adjustable volume levels and two sensitivity settings features a built-in 110dB alarm that automatically triggers when motion is detected, providing instant alerts for potential theft risks

Batteries included (2 x CR2032 batteries)

MAXIMUM SECURITY Hardened steel chain resists cutting, sawing and prying. 4 dials set-your-own combination security for keyless convenience