4M Magnetic Intruder Alarm

Electronics > Security & Surveillance > Alarm Systems

4M Magnetic Intruder Alarm

Price

Rs 5450

Store

CoolPlanet.lk

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4M Magnetic Intruder Alarm - 3440 Its a great project for exploring how a magnetic switch works in an electric circuit.Simple construction of the alarm box is required.Requires 2 x AAA batteries.Ages 5 and over.