Handheld optical otoscope is a practical device for ears observation. The observation window uses glass lens with LED light, it's used for viewing the inside of the ears. It can also be used as eye diagnostic tool after changing the head. Features: Optical lens combines with LED light, providing clear field of vision for ears observation. Powered by 2 AA batteries (not included). Easy to replace the otoscope head with the blue head for eyes diagnosis, 2 to 9mm pupil enlargement marks are engraved on the main handle. Compact size and light weight, portable handle with clip and stainless steel shell is more handy and convenient, and with great durability. 4 ear tips (4mm) in total, easy replacement for satisfying different needs, more sanitary. Comes with a plastic hard case for easy storage and convenient transport. Note: Size and color may be slightly different because of manual measurement and different light conditions, please in kind prevail. Thank you. Specifications: Color: Silver & Black Material: Stainless Steel + ABS Power Supply: 2 * AA Battery (Not Included) Otoscope Size: 175 * 55mm / 6.89 * 2.17in Ear Tip Diameter: 4mm Package Size: 18.5 * 6.5 * 3cm / 7.28 * 2.56 * 1.18in Package Weight: 104g / 3.66oz Package List: 1 * Otoscope 1 * Eye Diagnostic Head 3 * Replaceable Ear Tip 1 * Plastic Box Shipping: 1.We guarantee to ship goods out within 24-72 hour after payment confirmation except holiday. 2.We ship by China post,HKpost EMS,DHL,Fedex,according to your choice when placing orders . 3.If you didn't receive the item after 45 days,please feel free to contact us.We will make all our effort to resolve the problem. 4.We are not responsible for delays causedby the customs,Import duties,taxes or other customscharges. Warranty: 1.All items have 1 year guarantee.IF your purchase do not meet merchantable quality, fitness for purpose or match the description, We can make sure your issues are resolved . 2.For wrongly-shipped items, Please contact us in 48 hours after delivery.We will arrange to deliver the correct items or return all your payment. 3.For defective or faulty products,please take photos or videos,we would resend or refund after confirmation.