Proscope™ 640 features:

• Threaded chestpiece drum of chrome plated zinc permits the use of five interchangeable chestpiece fittings – an adult and pediatric diaphragm, and three bells (1 1/4″, 1″, 3/4″) – for complete diagnostic capability in most patients
• Latex-free, double tube configuration
• Proprietary valve mechanism eliminates acoustic leakage
• Adjustable chrome-plated brass binaurals
• Complete with an accessory pouch containing the bell chestpieces, chestpiece key, 2 spare diaphragms, one pair of mushroom eartips, and one pair of silicon eartips
• Inspected and packaged in the U.S.A.
• Traditional 16″ tubing length in black only
• Weighs 7 oz. / Overall length 24″
• One Year Warranty