ADJUSTABLE 3X MAGNIFICATION: Provide you a wider view with 3X magnification, the magnifying glass is adjustable. Bysameyee otoscope is designed to view earwax, infections, tympan membrane, external ear canal to diagnose outer and middle ear pathologies.High brightness: built-in white LED bulb, the ear canal is bright and clear for you to check.DURABLE AND EFFICIENT DESIGN - Made of chrome plated brass and plastic to provide a durable, lightweight and portable instrument, with a comfortable, non-slip handle and a sturdy adjustment ring to keep the instrument head in the ideal position.4 sizes speculum: diameter 2.4 mm, 3 mm, 4 mm, 5 mm, suitable for people of different ages. Ideal for home and clinicsBATTERY POWERED - This otoscope requires 2 AA alkaline batteries which are not included. Note: 1.Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 307 hours Hope you have a pleasant shopping experience!