R 85.00 (inc VAT)
R 73.91 (ex VAT)
Use an Electronic Circuit in a Practical Way, Set-up the Room Alarm to Warn of Intrusion. Install the Alarm Inside the Door so it is Invisible to anyone Approaching from the outside. A Buzzer Sounds when the Door is Opened. Includes Electronic Circuitry Components to Build the Alarm. No tools required. For ages 8 years and up.