Features: Experience Morse code learning with our Mini CW Key Automatic Morse Trainer, feature a double Paddles PCB design and computer connection for enhances training efficiency. Crafted from high quality materials, this Morse key offers sensitive operation with its precise mechanical switches and construction, ensuring a smooth and responsive experience. Ideal for radio enthusiasts, Morse code learners, and technology aficionados seek to enhances their skills and knowledge in telegraphy. Perfect for study, radio club training, or as a educational aid in classroom setting, allowing you to practice and enjoy Morse code anywhere. This hand assembled DIY product boasts unique craftsmanship, with each unit offering slight variation that add to its collectible value while maintaining full functionality. Specifications: Material: Plastic, Metal Size: About. 4x5cm/1.57x1.97in Package Includes: 1pc Telegraph Key Paddles note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.