We sell only Quality Equipment Brand new Wallmount transformer for Welch Allyn 74710 Otoscope, Opthalmoscope, Retinascope 3.5V power supply without head This Wallmount tranformer is compatible Welch scope for bulb voltage 3.5v High quality handles with automatic On and Off. Compatible with all Welch Allyn 3.5V Handles. Coiled cable that extended upto 3 meters, with 1 year warranty Modern , compact, easy-to clean design PACKAGE INCLUDES: Main unit Attached AC Power Cord Attached Scope Hand Pieces with no Heads Power supply 110V / 220 V Order safe item from us: The following FDA Disclaimer is required for all listing in Healthcare category and is included for REFERENCE: The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, we will verify your status as an authorized purchaser of this item before shipping of the item. **Thank You**(sh)