Features:CW speed adjustable from 1 to 999 WPMProgramming and interfacing via USB port (" line interface")PTT output with configurable lead, tail, and hang 2 memories with macrosPurchase Notes:This product has many functions. The finished product can directly use the installed and set it up with the software.Dimensions 50x58x24 mm.Serial numbersCW keyboard (via a terminal server like or the Serial )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 , memories, etc.Keying CompensationDah to Dit adjustmentWeightingCallsign receive practiceSend practiceMemory stackingLogging and Contest Interfacing via K1EL Winkey 1.0 and 2.0 interface protocol emulation "Dead Operator Watchdog"AutospaceWordspace Adjustment-configured and Custom ProsignsNon-volatile storage of most Modular code design allowing 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.