Description:

Name: Shortwave radio K4 heavy key
Purpose: short wave radio Morse code CW, telegram, CW communication
How to use: This is a teaching key, which is also an ordinary key. After the bottom cover is opened, install the battery, open the side switch, and operate the key to make a sound. With a buzzer, it can be used as an ordinary teaching key.
Material: Aluminum
Weight: 950g

Size Chart:

12.2cmx6.7cmx1.2cm/4.80inchx2.64inchx0.47inch

Package Includes:

1 piece Telegraph Key 
1 piece Earphone line

Note:

Please allow slightly errors due to manual measurement and different monitors.