Mini Size:small size, light weight.Includes three additional interchangeable specula of sizes.Detecting otoscope with 3 different sizes of ear detectors for easy access to different age groups.Mini-size otoscope with high-intensity LED bulb for ear examinations.Removable penlight base can be used without the speculum.A Necessary Helper for the Whole : otoscope is necessary tool for ,adaptable to diversified ear inspection for the whole .Power: two batteries (not included)Filter1:60mmFilter2:40mmFilter3:20mmcolour: black whiteMaterial: ABSsize: 21 * 10.5 * 3cmPackage Contents: 1 * Otoscope3 * spare otoscope5 * tongue depressor1 * eye filter1 * belt buckleOnly the above package content, other are not included.Note:Light and different displays may cause the color of the item in the a little different from the real thing.The measurement allowed error is +/- 1-3cm.