Features: This Morse code training key offer beginner friendly sound and light feedbacks, multi use compatibility with standalone, transmitter, or computer connection, and a premium wooden base with steel components for radio communication. Featuring a floating flange bearing for smooth operate, a built in 3.5mm port for radio integration, and all metal construction with stainless steel and aluminum alloy parts, this telegraph key ensures realistic feedbacks and performances. Designed for experts in amateur radio and beginner learning Morse code basic, this training key caters to users seeking an authentic and communication tool. Ideal for scenarios like historical reenactments, radio club activities, or standalone practice, this Morse key enhances learning and professional use with visual feedbacks. Its vintage styles design combines hand polished finishes for a classical look, making it a versatile and addition to any communication enthusiast's toolkit. Specifications: Component: Wood, Metal Size: About. 12x7cm/4.72x2.76in Pattern: 4 pattern optional Package Includes: 1 Set Morse Code Telegraph Key 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.