Water-Level Indicator & Overflow Alarm Project – Multicolour

A ready-to-use, fully assembled water level indicator project. It raises an alarm when the water tank is full or reaches a preset level.

Why you'll love it

• Very simple circuit with low current consumption – runs on a 9-volt battery
• The same circuit can also be used as a rain alarm or a short-circuit alarm
• 100% working, handmade model

Perfect for

Science fair projects and project submissions.

Please note: The water container and 9V battery are not included.