http://www.sz-wholesale.com/rss/Otoscope.xml Otoscope,Wholesale Otoscope en-us Global Wholesale and Distribution Center http://www.sz-wholesale.com/p/Otoscope/Otoscope-29037.html Features: 1) Consists of five metal aural specula of 3, 4, 5 and 6mm, and a metal nasal speculum of 8mm 2) At the rear part, a lamp bulb and a 2-time magnifying lens are fitted, and the magnifying lens can be swung aside when it is not required 3) Rheostat fitted at the upper part of the handle to rotate the switch on and off the currents as well as to regulate the intensity if illumination Specifications: 1) Diameter of the aural: 3, 4, 5, 6, and 8mm 2) Power supply: 1.5V x two no. 1 batteries 3) Illumination bulb: 2.5V / 0.3A Otoscope Wholesale, http://www.sz-wholesale.com/p/Otoscope/Otoscope-29210.html Otoscope setMaterial: PP, ABS and aluminumSize: 5.5cm L * 1.9cm Dia for Otoscope 12.5cm L *1.2cm Dia for Pen Otoscope Wholesale,