1. This CW Morse code decoder DIY kit is convenient for students and electronics enthusiasts to learn, understand, and practice Morse code 2. It can recognize the dots (.), dashes (-), and intervals of Morse code and convert them into corresponding characters or numbers. 3. Supports CW audio signal input and displays the received Morse code. 4. Able to decode the received Morse code audio into characters and display the received bitrate. 5. Widely used in early wireless communication, Morse code was not only a communication method but also a hobby and challenge, a way to understand and learn telecommunications technology. Kit Name: CW Morse Code Decoder Power supply: DC9V power supply Working voltage: 9V Working current: 33mA PCB size: 101x50mm Function: 1. CW audio signal input 2. Display the received Morse code 3. Decoding the received Morse code audio into characters 4. Display the receiving bit rate 5. External CW button for practicing Morse code transmission Colour:As Shown Material:Electronic components Package Contents: 1 x Welding Practice Kits Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.