zyrev zetalife 2 in 1 ear scope set - multi-function otoscope for ear, nose & eye examination zyrev we guarantee satisfaction with this purchase when you buy this zyrev zetalife 2 in 1 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. 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 uses 2 c size batteries which last 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 2 replacement bulbs. batteries are not included.