Measuring Devices -Auto Morse Code Keyer Highlights Generic Brand Auto Morse Code Keyer Description: Brand new and high quality With storage and segmented memory function, usually uses instructions for storage. Only two buttons and a switch for easy operation. Includes shutdown protection function, super power saving. Adjustable speed switch, control board potentiometer can be adjusted at any time. Specification: Material: FR4 Power: 2 AAA batteries (not included) Size: approx. 12 x 5.2 x 2.5cm / 4.72 x 2.05 x 0.98inch BATT: 2 x AAA batteries (not included) Package includes: 1 piece Automotive memory key controller (AAA battery not included) ) Note: 1.Please allow slight difference between the size of the above and the actual item due to manual measurement. 2. Due to the difference between different monitors, there might be a little color difference acceptable, please kindly note.