2 KABRUS XL505 WIRELESS BURGLAR ALARM SYSTEM SIREN LOCK - ALARMED PADLOCK The Original Alarmed Lock Company - Kabrus Smart Lock Technologies 110dB Siren Alarm / 3 Sensitivity Levels - Auto Reset / Anti-Twist Shackle Weather Proof Electronics / Movement & Shock Sensor Maximum Security Key & Barrel / Corrossion Resistant / Anti-Drill Ice-Spray Proof