Features Scratch Protection: Includes foot pads to safeguard your desk and equipment from scratches, ensuring long-term protection for your workspace and devices. Corrosion-resistant Material: Constructed from non-oxidation and non-corrosion ABS material, prolonging the service life of the manual key and ensuring durability in various environments. One-Handed : Lightweight design enables convenient one-handed , reducing operator fatigue and enhancing ease of use during Morse code transmission. Compact and Portable: Ultra-portable design makes it convenient to carry and use, ideal for on-the-go Morse code communication, without sacrificing functionality. Easy Installation: Model QU？4525 comes with all necessary accessories for easy installation, including a cable, screwdriver, and 2 patches, ensuring a hassle-free setup process. Specification: Item Type: CW Morse Code Material: ABS Model: QU-4525 Package List: 1 x Manual Key 1 x Connection Line 1 x Screwdriver (Screwdrivers and wrenches come at random) 2 x Patch 2 x Foot Pad Package List 1 x Manual Key 1 x Connection Line 1 x Screwdriver (Screwdrivers and wrenches come at random) 2 x Patch 2 x Foot Pad