Combining lightweight comfort with sensitive acoustics, ADC Proscopes are an ideal general-exam scope for the institutional setting. The Proscope 660 is a single-sided nurse scope with a proprietary diaphragm that enhances acoustic response by more than 50% over traditional designs. The 660 also features adjustable aluminum binaurals, PVC eartips, and flexible PVC tubing made without phthalates or natural rubber latext. Overall length 31.5 inches, weight 68 g (2.4 oz). One-year warranty. Inspected and packaged in the USA.