... locking system Can be used alarmed or no door lock,mortise lock,steel laminated padlock Used on:Trucks,Trailers,Boats, ... Law mowers, Garden machinery,Garatges,Lockups,,Cars,Lockers ,etc.Lock Features:.110dB siren.Auto-alarming system & locking system.Can ... 3pcs Maximum Security keys .Additional keys availableBattery specs:.Tamper proof batteries.6pcs batteries(LR44 1.5V) .Additional batteries ...