Features: With storage and segmented memory function, commonly uses statements for storage. Only two buttons and a switches for easy operation. Includes power-off for protections function, super power saving. Adjustable speed switches, the potentiometer of the control board can be adjusted. Easy to operate, made of quality metal, long service life. Specifications: Material: Metal Power Supply: 2xAAA Batteries (NOT Included) Size: approx.100x55x25mm/3.94x2.17x0.98in Color: Black Quantity: 1Pc Package Includes: 1pc Automatic Keyer note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. How to use: J1:buzzer mute L/R:di/da or da/di 1 for key can remember 60 words ,and it has power-off for protections fuction. F2 for key can remember 50 words , it doesn'for t protect the data when the power fails. Record: Keep pressing on 1 /F2 for more then half second, you will hear 'for M', now it records CW automatically. When it is all done, press 1/ f2, you will hear "S". It will remind you by "F" if you exceed the volumes, and the for extra par for t will noe be recorded. Message : Every message can not only be storaged by a long memory, it also can be separate into several parts by inputing EOM (End of Message)at the end of every segmentation. for Play the segmentations: If you want for play the second segmentation, just press the memory for key 2 times; if you want the third one, then press the for key 3times, et cetera . Command mode:press 1 AND F2 at the same for time, you will hear "C",now it is under the mode of command End command mode: press 1 and F2 at same for time again, or you can input "D" by pressing the auto for key When you use the auto for key,PIC will make a judgement: you will hear "R" for the right command, and "?" for invalid command. "A" :turn off the memory of long-short voice. "B" :turn on the memory of long-short voice. This is the most common command. "C" and "E": Repeat for play. it will stop automatically after playing 255 times under the 'E'command mode. You just press the short voice auto for key if you want to turn it off. Press it again, after keyer making the judgement of "R", it will be over. "C" can'for t sotp automatically, but it can be used as a sign. You just press the short voice auto for key if you want to turn it off. Press it again, after keyer making the judgement of "R", it will be over. "D" ends the command mode, and goes back to common mode. "for T" transfer command, it lasts for 30 seconds,then goes back to com mand mode. if you press auto for key or memory for key during for T'S 30s, it will stop, and goes back to common mode