The LCD screen on this stylish transmitter lets you view up to 36 functions, and an adapter is included for repositioning wheel height and angle for maximum comfort and response.A vibrator built into the grip can be programmed to serve any of several functions: as a lap timer, up timer, navigation aid or low battery alert. Extra protection features have been added, including High Voltage and Low Battery alarms, as well as automatic system shut-down after ten minutes of non-use. Read more and see photos of the new version of the Futaba 4PK via the source link. Source: http://www.rc.futaba.co.jp/english/propo/ground/4pks.html
