● Hands-on experience in examination of the eyes and the use of an ophthalmoscope Easy-to-use trainer utilizes the latest in high-resolution digital screening technology, enhancing realism and the training experience Just type in the number of the eye condition or disease you want for each eye in the corresponding digital control, then cover the control pad with the examination cover 36 diabetic, common, and less common retinal conditions Sleep mode conserves power Features battery power option Batteries not included Includes mains adapter with worldwide plug fixings, instruction manual, and rigid carrying case 14-9/16 in. ● L x 13-3/4 in. ● W x 11-7/16 in. ● H