Wireless motion sensor helps to save electricity bill by sensing the human movements in the premises and once it senses the human body it automatically turns on all the electrical devices including Lights, Fans, A.C etc. and it turns off automatically all the devices when the premises is unoccupied. Since it is a wireless sensor so it is scalable without ruining aesthetic therefore, it can easily install in the existing as well as in new property. This sensor communicate to the existing switch board so one sensor is capable to control multiple switches at a time. The sensor is applicable to all types of spaces such as Warehouses , Offices , Education Instititutons and Hospitals.