Features Data Protection --- The Morse code keyer has segmented storage and data protection functions, bringing more convenience to storage. Different Modes --- In addition, the command mode can more easily send the internally stored words, and the playback mode is also very convenient. Simple Control --- Including power outage protection function, super power saving. Adjustable speed switch, control board potentiometer can be adjusted at any time. Easy to Operate --- There are no complex button switches, and there are only two buttons and a phone switch on the key controller. Simple operation will greatly save your labor. Convenient Carrying --- Light in weight and compact in size as well, the CW keyer is very convenient to carry with your for outdoor working. Specification: Item Type: Morse Code Keyer Model: MX-K2 CW Keyer Material: Aluminum Alloy Battery: 2 x AAA battery, shipped without battery. Package List:1 x Morse Code Keyer Package List 1 x Morse Code Keyer