We guarantee satisfaction with this purchase when you buy this Combo Diagnostic Set. Are you a nurse practitioner or other medical student? This kit will provide you with all the essentials and more at an extremely affordable price. Other name brand kits will try to squeeze as much money as they can out of the sale. This kit will provide you with high quality instruments that will last you for a long time at a very affordable price. Be prepared for all of your kids ear-mergencies and diagnostic needs with this Combo ENT Set. This set is extremely durable and specifically designed by ER physicians for home and medical student use. It comes with a full size handle and takes 2 C size batteries (not included) that will last you for a very long time. The kit comes with all items as shown in picture - one handle, 3 reusable ear specula, otoscope head, eye exam head and 4 replaceable bulbs.