The Supra C500 Key Safe is Police Approved for mounting on outside walls. This approval is recognised by Secured By Design as well as by leading home insurance companies. It is also the only mechanical key safe box to achieve LPS 1175 Issue 6, Security rating 1. Please note to maintain the Police Accreditation the C500 must be installed into brick or dense concrete. When installed and used as intended this key safe is covered by a 2 year guarantee against manufacturing faults. The C500 is supplied complete with a weather cover and 4 wall tapping screws that do not require wall plugs. The large 76 x 53mm vault allows storage of 1 to 6 keys depending on type and length 5-6 yale type or 2-5 chubb type. It has a changeable code with 4,000 possible combinations. Police approved. Width: 81mm. Height: 149mm.