17PreparationsWhen installing the camera, there are 4 methods as specified below.• Using the two-gang junction box (☞ pages 18 and 19)• Installing the camera directly on the ceiling or wall (☞ page 19)• Using the optional ceiling mount bracket WV-Q105*1 (for direct mounting on a ceiling)(☞ page 20)• Using the camera mount bracket (locally procured) (☞ page 21)IMPORTANT:• Procure 4 screws (M4) to secure the camera attachment (accessory) to a ceiling or a wallaccording to the material of the installation area. In this case, wood screws and nails should notbe used. For mounting a camera on a concrete wall, use an anchor bolt (M4) or an AY plug bolt(M4) for securing. (Recommended tightening torque: 1.6 N·m {1.18 lbf·ft})• Mount the camera attachment (accessory) in consideration of the camera angle in accordancewith the instructions (☞ pages 18 to 20).• Required pull-out capacity of a single screw/bolt is 196 N {44 lbf} or more.• If a ceiling board such as plaster board is too weak to support the total weight, the area shallbe sufficiently reinforced or the optional ceiling mount bracket for the camera, WV-Q105* 1,must be used.• Install the camera mount bracket (locally procured) in the foundation area of the architecture orwhere sufficient strength is assured.• To prevent the mounting strength from becoming lower, do not use wooden screws to securethe camera mount bracket (locally procured).The mounting conditions of the camera are described as follows:Installation place Applicablemount bracketRecommendedscrewNumber ofscrewMinimum pull-outstrength (per 1 pc.)Ceiling/wall Two-gang junctionboxM4 4 pcs. 196 N {44 lbf}Ceiling/wall (Direct mounting) M4 4 pcs. 196 N {44 lbf}Ceiling WV-Q105* 1(approx. 150 g{0.33 lbs})– – * 2Ceiling (Locally procured) M6 or M8 3 pcs. 196 N {44 lbf}*1 E models only*2 Make sure that the installed mount bracket can support more than 5 times of the weight of thecamera and camera attachments.