Intruder alarm circuit is using LDR to detect light level and having timer and alarm. It requires power supply 9 volt and speaker 2 inches 0.25 watt. Assembly is required!

Key Features:

• Using LDR to detect light level and having timer and alarm.
• It comes with a speaker 2 inches 0.25 watt
• Power supply 9V.
• Box for product Part #FB03

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