

Intermediate-level soldering students will love this Super Siren kit. It includes one special IC that contains 3 separate transistors and a high gain power amp that's sure to get everyone's attention! It creates a pulsating automatic electronic noise and has 2 sound adjustments.
PC board size: 2.5" x 2.75".
Includes
parts
PC board
instructions
Requires 9V battery, sold separately.