Sure Pro Pelvic Floor ExerciserAutomatic keypad lock and manual program lock to ensure your program doesnt change accidentally Locking Lead Connection & Built in Cable Tidy ensures leads remain in place and out of the way Open Circuit Detector safety feature to prevent any sudden increases in stimulation LCD Backlit Screen easy to use, modern, colour screen enabling quick access and control Optional Programs 11 preset and 3 manual programs for optimal choice Work Rest Ratio Warning