Features storage and segmented memory function for statement storage. Equipped with two buttons and a switch for operation. Includes power-off protection function. Power saving mode. Adjustable speed switch; potentiometer on the control board is adjustable. Power Supply: 2 x AAA Batteries (Not Included). J1 port supports buzzer mute. L/R setting selects di/da or da/di sequence. F1 key stores up to 60 words with data retention. F2 key stores up to 50 words. R3 key adjusts speed. Record function activates by holding F1/F2 keys. Audio confirmation signals recording status. Volume warnings available. Messages support long-term memory storage and segmentation via EOM (End of Message). Playback supports accessing multiple segmentations. Command mode activates via simultaneous F1 and F2 press. Color: Black. Material: Metal. Package Contents: 1 x Morse Code Auto Memory Key Controller. Note: Actual color may vary slightly from images due to lighting and display settings.