Functions: 1. CW audio signal input; 2. Display the received Morse code; 3. Decode the received Morse code audio into characters; 4. Adjust the receiving Morse code time; 5. External CW button for practicing sending Morse code; 6. With a buzzer, listen to the received Morse code in real time; 7. Infrared remote control decoding. Specification: Product name: Morse code infrared decoder DIY kit Product model: TJ-56-719 Operating voltage: DC5V(Type-C interface) Static working current: About 25mA(without decoding) Maximum operating current: About 60mA (under the condition of decoding and buzzer sounding) Decoding adjustable time: 10~9990ms Receive Characters: 64 Display Characters: 16 Decode Characters: 43 Note:It's diy kits. Need to solder by yourself. There are differences in components between different batches, which does not affect the use Power supply: Type-C cable not included, You need to prepare it yourself. Colour: Blue+Transparent Material: PCB+components+acrylic Package Contents: 1 x DIY kit 1 x remote control 1 x audio cable 1 x acrylic shell kit(It's diy kits. Need to solder by yourself)