CW Key Sound and Light Circuit Board Morse Code CW Transmission Training Suitable for Manual CW Key

CW Key Sound and Light Circuit Board Morse Code CW Transmission Training Suitable for Manual CW Key

Features:
- Reserve two screw holes for fixing purposes. Perfect combination with electric keys for stable training.
- Paired with a 3.5mm audio cable and connected to manual keys for training, it provides a more immersive experience.
- High quality circuit board with replaceable CR2032 button battery.

Specification:
- CW key interface: 3.5mm audio interface
- Net weight: 12.5g
- Product size: 60 x 30mm (W x H)

Package Included:
- 1 x Circuit Board
- 1 x CR2032 Button Battery
- 1 x 6.5 Female to 3.5mm Male Adapter

Note:
- Please remove the seal of the buzzer before use to obtain a clear sound.