1,[Applications] The Morse code key is perfect for radio enthusiasts and has a wide range of uses for camping or for POTA, for SOTA, for LOTA, or indoor use. 2,[Double Paddle] A double paddle Morse code auto key with single side magnetic damping adjustment structure. Carbon fiber composite paddle, strong and durable. 3,[Stable Contacts] The contacts of Morse telegraph key is made of pure silver, stable and reliable, with 3.5mm or 0.1in sound interface with 1m or 3.3ft cable. 4,[Premium Material] Whole CW Morse telegraph key is made of stainless steel, brass, aluminum alloy composite materials, CNC machining, sandblasted and anodized surface. 5,[Lightweight And Portable] This shortwave Morse code key is lightweight enough to be carried in a portable radio device for easy access at all times. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.