Feature 1KEY FUNCTION: F1 key can memorize 60 words and has a power off protection function. F2 key can memorize 50 words, does not preserve data when powered off. R3 key is for speed control, the smaller the value, the faster the speed. 2LARGE STORAGE CAPACITY: With a large storage capacity, the CW keyer can store many words and definitely meet all storage needs. 3DATA PROTECTION: The morse code key controller has segmented storage and data protection functions, bringing more convenience to storage. 4MULTI FUNCTION: The command mode makes it easier to send words stored in the keyer, and the repeat playback mode is also very convenient. 5SIMPLE OPERATION: There are only two buttons and a pone switch on the key controller, which will greatly save you labor.Item Type: Morse Code Key ControllerMaterial: MetalBattery: 2 x AAA Batteries (Not Included) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Morse Code Key Controller