Features: Experience versatile Morse code practice with our double paddle keyer, featuring a futuristic clear acrylic and stainless steel design that seamlessly switches between manual and automatic modes for flexible communication accessories. Crafted from 3mm stainless steel paddles and anodized aluminum components, this keyer includes precisions bearings for smooth operate, adjustable key tension, replaceable paddles, and strong magnets for stable mounting on metal surfaces. Ideal for amateur radio enthusiasts, Morse code learners, and communication professional seeking adaptable equipment for their setups. Perfect for Morse code practice, connecting to shortwave radios via double adjustable 3.5mm port, or integrating with PCs using the included USB to 3.5mm adapter. Designed for long lasting performances, this double paddle keyer offer a customizable experience with its easy to install magnetic base and robust all metal construction, enhancing any communication accessory collection. Specifications: Component: Stainless Steel Pattern: 2 pattern optional Package Includes: 1 Set Double Paddle Morse Code Keyer 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.