Automatic tuning recognizes and locks in each insert. Powerful 25k magnetostrictive frequency. Programmed power control knob provides the optimum energy for all inserts. Exclusive 30% power increase setting for that “extra boost” to remove tough calculus. Specialty insert power setting for feline urethral catheters and other specialty inserts such as the periodontal insert. Accepts all Cavitron® style 25K inserts. Unique low water pressure warning light. Micro motor has variable speeds allowing for a wide RPM range for polishing, sectioning, drilling, or rounding fine surface procedures. Precision Micro motor handpiece is a sealed unit…it generates no heat and requires NO lubrication. New Reverse Switch to untangle hair. Unit is self-contained and does not require a separate transformer pack for power. Indestructible foot pedal allows the unit to be activated at will so both hands remain free. Detachable handpieces. Made in the USA with 6 year warranty.