Content available through the Welch Allyn website is believed to be basically accurate, but may not be current for some products. The material on this site is provided for general information only and should not be relied upon or used as the sole basis for making decisions without consulting primary, more accurate, more complete, and more timely sources of information. Images are for reference only. You should independently evaluate the accuracy of the information and the usefulness for your specific needs of any content, product or service available through the Welch Allyn website. For example, Directions for Use available on the website may or may not be applicable to the version of product you have. In addition, Welch Allyn reserves the right to make changes to specifications for products and services, processing, materials, or configurations without notice, and products or services listed in the online catalog may not be available at the time of your order.