Electronic mousetrap circuit

Shown is a simple electronic mousetrap circuit . The red and black terminals are connected to the metal grid
respectively , and the grid gap is 2cn. When a mouse comes into contact with the energized grid , it will be knocked down and an alarm signal will sound from the speaker. At this time, you can disconnect the power supply and kill the rats to achieve the purpose of eradicating rats.     When using this kind of electronic mousetrap, a dedicated person must be on duty and special attention should be paid to personal safety. A fence must be set up and the power must be disconnected first when people approach .