Fence alarm -science project

Fence alarm is a device  that  create unpleasant sound when some one try to enter at no entry area. That can be a home,factory, window, etc. The main purpose of this is to check unauthorized entry.This Fence Alarm as denoted by its name itself is a device that can be fitted at door, window or fence for checking. It  is  called  fencing  wire  Fence Alarm because a wire to be stretched at the time of fitting across the door and window and at fence, which is it self is a metallic wire,can be used directly for connection.Any of the fence metallic wire,can be used directly for connection.