ViziLite PRO Oral Lesion Screening System offers: - Five powerful LEDs that generate biofluorescence and enhance visualization without dimming operatory lights - Light output regulation with LEDs that maintain full power until battery is depleted - Violet output LEDs that automatically shut off after five minutes - Optical viewing filter that enhances visualization and improves contrast between healthy and abnormal tissues - A cordless, ergonomic handle that's comfortable to hold and easy to use - Quiet, operation with aluminum housing that eliminates the need for an internal fan - Long-lasting rechargeable lithium ion battery that performs over 100 one-minute exams on a single charge - Optimal illumination of Vizilite TBlue during oral cancer screenings