First, for its potential customers, the building inspection robot has the advantage of a host of benefits. Secondly, It improves safety by reducing the need for human inspectors to climb high buildings or go into areas with toxic gas present - thus minimizing people’s chances of falling off a roof or into molten lead. And thirdly, high-speed, detailed inspection saves time to an enormous extent. In this way more frequent assessments can be made on an operating interface that is less affected by disruption. Fourthly, The robot provides accurate and consistent data. As a result, decisions about maintenance and repairs can be made with greater clarity. Last but not least in terms of cost effectiveness:A machine that by its very nature promotes routine work eventually reduces the dependence upon men and that therefore saves considerable amount of money. In addition, with its built-in ability to discover early symptoms of structural problems, the robot helps to avoid costly repair bills and potential injury or even loss of life.