1.used for door ,window,box,case. 2.Patent: 200630119757.9 3.CE & ROHS 4.110db,waterproof 5.manufacturer ,OEM offered ... )ITEM NO.:LK325 alarm padlock , Patent: 200630119757.9 Can be used on:Door, bike, window, toolbox, truck, trailer,, container ,garden machinery etcLock ... cut & saw)6 pcs AG13(4.5v) button batteries, battery life:10-12monthsSpecification(cm): 9.5(H) X 9.4(W) X 3.5(D ...