This otoscope kit uses LED lights, which is bright, showing the true color and images of the tissue, and can provide long-lasting lighting. The bright LED light will help you see the ear-hole clearly. Very easy to use.Features- Color: Black.- Material: Plastic.- Size: 14.50X5.50X2.00cm/5.70X2.16X0.79 inch.- Battery: 2 x AAA battery (not included).- Advanced optical design, avoiding the reflective, eye shot is open, the observation effect first-rate.- For DIY at-home doctor visit, nurse and other medical students.- This ear scope is design to view the ear wax, infections, tympanic membrane, external ear canal to diagnose outer and middle ear pathologies.- High brightness: Built-in LED bulb, the ear canal is bright and clear for you to check.- Large optical quality scratch resistant Lens with optimal focal length and magnification.Packing list: 1 x otoscope set