1.used for motorcycle, e-bike, door 2.Patent:02237223.7 3.CE&ROHS 4.110db,waterproof,anti-cut 5.manufacturer ... Description:Item No.: LK355 alarm padlock , Patent: 02237223.7Can be used on: Motorcycle, electric bike,Door , etcLock Features:105-110 ... db alarm soundAuto-alarming system & locking systemCan be used alarmed or unalarmed statesShake, move or vibrate sensorResistant corrosion , ...