Disc Lock with Alarm, AGPTEK 110db Motorcycle Disc Brake Lock with 5FT Reminder

Specification 1. Size and weight: 9 x 6 x 3.5 cm, 350 g. 2. Lock Material: Zinc Alloy 3. Battery type: 6 x AG13 button battery (4.5 V). Key material: copper material, round plum shape 6. Decibels: 110DB 7.

eBay