... family and propertities.Can scare the thieves. Alarm security lock with CE&RoHSSpecification:1.Hardened Zinc alloy body 2.110 Decibel Alarm ... .Automatic reset 8.Anti-muffle design9.Hot processed hardened Stainless steel & Anti twist shackle10.Corrosion Resistant, Weather resistant 11.Ice ... batteries (digital watch style), battery life: 6 months Usage scope:Door, gate, garden shed, container, cabinet