Feature:1. Enhanced Vision: Eye diagnostic scope tool provides perfect lighting and magnification for thorough eye examination, which can increase vision for comprehensive eye inspection.2. Professional Use: Ophthalmoscope diagnostic suitable for students training to become RNA, CNA, EMT, nurses, medico assistants, technicians, or any other healthcare professionals.3. 5 Aperture: Ophthalmoscope with 5 aperture options of small, large, semicircle, fixed, and no red filter, 19 viewing lenses ranging from 20 to +20 diopters for better resolution.4. Rechargeable Design: Ophthalmoscope is suitable for eye examination, built in 1600mAH battery, which can provide long endurance for various applications in healthcare professions.5. Excellent ABS: Made of ABS material, ophthalmoscope is firm and sturdy, safe and healthy, which is durable for long time use, perfect for nurses and medico students.Specification:Item Type: OphthalmoscopeMaterial: ABSBattery Type: 2 x AA 1600mAhBatteries (Include)19 Different Diopter Lenses: 0D, 1D, 2D, 3D, 4D, 6D, 8D, 10D, 15D, 20DUse: Suitable for students studying to become RNA, CNA, EMT, nurse practitioner, technician, or any other professional person..Package List:1 x Ophthalmoscope1 x Charging Base1 x USB Cable1 x User Manual