This easy-to-build siren module is perfect for DIY lovers and model makers. With a simple 12V power source, it brings the thrilling sounds of police sirens, fire alarms, and ambulances to your DIY project!

• Selectable Sounds: Switch between iconic sound effects with a jumper for ultimate customization.

• No Complicated Chips: This module ditches complex ICs and relies on readily available, affordable NPN and PNP transistors for a straightforward build.

• 12V Power: Simply connect to car battery or power supply unit for hassle-free operation.

Applications:

• Emergency alarm systems • Special vehicles • Fire detection systems • Security alarms • Doorbells

This DIY electronic kit comes unassembled and requires soldering to attach the components to the included PCB. It's perfect for hobbyists or anyone looking to practice and improve their soldering skills. Please note: components are not pre-soldered, so you'll need to assemble them yourself for a hands-on experience!