Question

Explain this security alarm circuit

Answer 1

Is circuit will help you to God you are precious documents as well as jewellery from intruders earth after all you need is just to place the circuit in front of the locker or below the mat so when any unknown person come work over the switch circuit will Trigger and sound of alarm comes give a benefit of the circuit is that these can be implied in two places at a time as two different switches produces two different sounds.