Features:CW speed adjustable from 1 to 999 WPMProgramming and interfacing via USB port (" line interface")PTT output with configurable lead, tail, and hang times2 memories with macrosPurchase Notes:This product has many functions. The finished product can directly use the installed program and set it up with the software.Dimensions 50x58x24 mm.Serial numbersCW keyboard (via a terminal server program like or the Serial program)Speed potentiometer (speed also adjustable with commands)QRSS and HSCWBeacon / Fox modeIambic A and BStraight key modeUltimatic modeBug modePaddle reverseFarnsworth TimingAdjustable frequency sidetoneSidetone disable mode for using the paddle to change settings, program memories, etc.Keying CompensationDah to Dit Ratio adjustmentWeightingCallsign receive practiceSend practiceMemory stackingLogging and Contest Program Interfacing via K1EL Winkey 1.0 and 2.0 interface protocol emulation "Dead Operator Watchdog"AutospaceWordspace AdjustmentPre-configured and Custom ProsignsNon-volatile storage of most settingsModular code design allowing selection of features and easy code modificationColor: blueMaterial: aluminum+electronic componentsPackage Contents:1 x Open CW keyer MK2 KIT1 x cableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.