CW speed adjustable from 1 to 999 WPM. Programming and interfacing via USB port (" Line Interface")PS2 keyboard interface for CW keyboard operation, no computer requiredPTT output with configurable lead, tail and hang . 3 memories with macrosSerial number. CW keyboard (via a terminal server such as or for serial )Speed potentiometer (speed can also be adjusted by )Type: DIY KitsQRSS and HSCWBeacon/Fox Modeiambic A and BDirect key modeUltimate ModeError modeReversing the leverHellschreiber mode (keyboard send, memory macro, beacon)Farnsworth TimekeepingAdjustable frequency sidetoneSidetone disabledUse the lever to change the mode of , memory, etc.Keying compensationDah to Dit adjustmentWeightedCall sign reception practicesend practiceMemory stackingLogging and contest programming interface Klewinkki via 1.0 and 2.0 interface protocol emulationAuto spaceWord space adjustmentPreconfigured and custom ProSignNon-volatile storage of most Modular code design, allowing of features and easy code modification: Metal + Plasticcolour: bluePackage Contents:1 x Open CW keyer MK2 KITOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.