Specification:Size : 20cm X 25cm;Professional and effective way to deter the criminals, help you against any possible of criminal act. Installation instructions:Before paste,must clean the floor or wall,don't residue any oil and impurities. After paste,the sticker should be standing about 7 hours under the condition of without external force to ensure the back glue can completely dry. Application places:Hotel, office buildings, shopping mall, factory, school, hospital, cinema and theatre, nursing home, government building and other personnel intensive place. Package includes :1 x CCTV Monitoring Warning Sign #CCTV #Security #WarningSign #UME