Sound and Light Circuit Board with Battery 3.5mm Audio Plug Accessories for Morse Code CW

Description:

- 【Size Information】Acousto optic circuit board measures approx 6cmx3cm/2.36inchx1.18inch

- 【Professional Accessories】Sound and light circuit board For CW Morse key Trainning, can be trained and transmitted in conjunction with existing keys

- 【Independently Developed Sound And Light】circuit board for educational entertainment

- 【Feature】Paired with a 3.5mm audio cable and connected to manual keys for training, it provides a more immersive experience

- 【Reserve Two Screw Hole Positions】can be used for fixed use, perfectly matched with electric keys for stable training

Package Includes: 1 Sound And Light Circuit Board (with Battery) 1 3.5mm Audio Adapter

Note: Please allow slightly errors 1-2cm differences due to manual measurement.