New patented switch
Newly designed body features streamlines fiber optic design, eliminating blockage caused by ordinary light bulbs. Other features include patented in * off switch for increased durability, as well as convenient pocket clip. Includes attachments in two sizes（child / adult）, as well as two “AAA”batteries.
A（Classic Black） I（Enamel Red） C（Elegant Silver） D（Glamour Gold）
F（Blush） G（Plumage Blue） H（Clarity Blue） K（Goldmine Gold） In selection of 8 color（for CK-939only）
Otoscope CK-938/CK-939