My Security Sign heavy duty aluminum LawnBoss sign and stake kit. Legend this area is protected by video surveillance security cameras and equipment are in use. Recordings are used to help prosecute any crimes committed on this property. Sign is made of heavy duty 60-80 mil thick aluminum and attached to a 3-feet tall stake with a barb. They outlast plastic sign, which can be torn off more easily. Post can be installed with a hammer and, for most grounds, does not need special tools. Sign are printed with 3M screen printing or 3M outdoor digital inks designed specifically for outdoor traffic and property sign for the ultimate in durability. They should last up to 15 years outside. Sign resist chemicals, UV rays, water and abrasion. Unlike cheaper stake sign, these sign, once installed cannot easily be removed by vandals. The post is bend proof. Sign are pre assembled, for easy installation. Typical maximum temperature 168 degree F. Measures 12-inches width by 12-inches height. White on red color combination.