Specialty: 3X Otoscope is designed to check earwax, infection, tympanic membrane, external ear canal to diagnose external and middle ear diseases. This earscope can be used not only to observe human ears, but also to observe pet earsFeatures: Bright LEDs and 3 times zoom increase the visual field of view, which helps to observe the ear carnal situations with full spectrum.Illumination: Adopt the total reflection of optical fiber, enhanced XHL xenon halogen technology and LED technology to make the light path and observation of light tend, which increase the visual field of view. Power by 2xAA batteries are not included.Easy to use: Include 8 scope caps, 2 each with a diameter of 2.4mm 3mm 4mm 5mm which is suitable for all ages. Real ear simulation experiment for cap design made worry free about hurting ears even you dont have enough experience.Great-quality: Made of high-quality metal and ABS material, sturdy and durable for long time use. Nicely organized in a hard case with ABS material. Ideal for home, clinic, medical school, veterinary etc.