DIY Supplies: Metalworking Brand Name: ABK Tech Model Number: Anti-theft Motion Sensor Security Padlock Package includes: 1 * Alarm Lock;3 * keys;6 * batteries Usage Scope: Bicycle, Storage battery car, tricycle, traversing gate etc. Unit Type: piece Package Weight: 0.150kg (0.33lb.) Package Size: 11cm x 6cm x 7cm (4.33in x 2.36in x 2.76in)