SALIENT FEATURES :
* Completely self – contained stand – alone unit.
* Demonstrates the principle and working of a Burglar alarm.
* Built – in IC based DC regulated power supply.
* Three transistor circuit with a wire loop.
* Breaking the loop turns ON the buzzer to indicate that there is a burglar.
* Multicoloured test points are provided at various stage, in the circuit to observe waveforms and voltages.
* Strongly supported by a comprehensive instruction manual complete with theory and operating details.