Specification -- Inter Pupillary Distance     -  45-74 mm   Focus Distance                 -  450mm  Aperture Size                    -  4.0mm, 3.0mm and 1.2mm  Image Size                        -  80.0mm, 60.0mm and 25.0mm  Illumination                        - Field Good, Clear Circular Field  Lamp                                 - 3W Warm White Led Intensity Control                - Continuously Variable  with On off switch  Filters                                - Cobalt Blue, Red Free, Yellow & Green Magnification                     - 2X  Power Input                                  - 110V/220V AC  Output                               - 3V DC    Other Features: - Has all Pupil Feature  Compact & Light Weight Head Worn Brilliant Illumination IPD Adjustment 50mm - 75mm Stereo Optical System  Simple Control For Adjusting    Packing List-- One Wireless Rechargeable Head Worn Type Binocular Indirect Ophthlmoscope Teaching Mirrors in Left and Right Carrying case  Battery Charger Scleral depressor Ring Fundus chart pad Colour Pencil Box Instruction manual Universal Adapter Shipping Policy We use eBay's Global Shipping program to make sure your order reaches you safely and in promised time. In case your country charges any custom duty, import duty, octroi, insurance or other fee/levy related to release of goods after reaching, you, the buyer, will be liable to pay the same and take possession of the goods. Payment Policy We accept payments through PayPal only. Payment should be made within 3 days after purchase. Orders that remain unpaid after 3 days are liable to be cancelled any time. Feedback Policy Please do not leave negative or neutral feedback without contacting us. We try our best efforts to resolve your queries in the best possible manner, even if it involve cancellation or return of items. Leaving negative feedback will not solve your concerns.  Returns Policy We accept returns within 30 days of the item delivery date. We offer 100% money back or exchange guarantee in case the product you bought from us is not as per description or specification mentioned in the listing. We realize that our business exists because of our Buyers, i.e. YOU! "International buyers – please note: Import duties, taxes, and charges aren't included in the item price or postage cost. These charges are the buyer's responsibility. "Please check with your country's customs office to determine what these additional costs will be, prior to bidding or buying." Thank You "International buyers ? please note: Import duties, taxes, and charges aren't included in the item price or postage cost. These charges are the buyer's responsibility. "Please check with your country's customs office to determine what these additional costs will be, prior to bidding or buying." Despite every effort to provide accurate images of each product's color and design, actual colors and design may vary slightly, due to different device screen settings, the lighting in the installation location, slight differences in product finishes over time and other factors. ACTUAL PRODUCT MAY LOOK DIFFERENT THEN  IMAGE BECAUSE OF REGULAR MODIFICATIONS FOR BETTERMENT OF PRODUCT.   FEEDBACK HAVING NEGATIVE OR NEUTRAL FEEDBACK WILL NOT SOLVE A PROBLEM, SO PLEASE CONTACT US IF YOU HAVE ANY QUESTIONS OR ANY COMPLAINTS BEFORE LEAVING A FEEDBACK   YOUR FEEDBACK IS IMPORTANT FOR US TO GROW OUR BUSINESS ON EBAY, SO PLEASE DO LEAVE FEEDBACK, THANK YOU!!