(MD166)    Carevas otoscope is designed to view the ear wax, infections, tympanic membrane and external ear canal to diagnose outer and middle ear pathologies etc. It applies good lens, XHL bulb and material for better use and durability.     Features: Made of copper and ABS, sturdy & durable. [3X Magnification Lens]:  clear to watch ear carnal situations with full spectrum. [Inside XHL Bulb]:24 Lumen with bright uniform light to watch true tissue color. [Equip 4 Kinds of Tips]:Dia.2.5mm;3mm;4mm;5mm for children & adult. [Working Purpose]:Design to view the ear wax, infections, tympanic membrane, external ear canal to diagnose outer and middle ear pathologies.30% greater field of view than pneumatic otoscope. [Wide Usage]:  Portable for home, clinic, medical school, veterinary etc.     Specifications: Material: ABS + Copper Power By: 2 * AA Battery (Not Included) Tip Size: Dia.2.5mm;3mm;4mm;5mm Lens Diameter: 18mm Illumination: Direct Illumination Luminance: 24 Lumen Bulb: &108G 2.5V 750mAh XHL Color Temperature: 3050K +/-5% Working Situation: Temperature: 10-35℃; Humidity: 30-75%; Air Pressure: 700-1060hPa Product Size: 16 * 2cm / 6.3 * 0.78"(L * D) Product Weight: 87g / 3oz Package Size: 19 * 11 * 4cm Package Weight: 310g Package Included: 1 * Otoscope 1 * Bulb Change Screwdriver 8 * Tips 1 * User Manual    (MD167-1/MD167-2)    Carevas otoscope is designed to view the ear wax, infections, tympanic membrane and external ear canal to diagnose outer and middle ear pathologies etc. It applies good lens, advanced fiber optic technology, XHL/LED bulb for better use and durability.      Features: Made of copper and ABS, sturdy & durable. [3X Magnification Lens]: Watch ear carnal more clearly with 3X magnification and larger lens. [Good LED/XHL Bulb]: Apply advanced fiber optic technology, we provide LED bulb or XHL bulb to choose, which has 24 Lumen bright white light to watch true tissue color. [Equip 4 Kinds of Tips]: Dia.2.5mm;3mm;4mm;5mm for children & adult. [Working Purpose]: Design to view the ear wax, infections, tympanic membrane, external ear canal to diagnose outer and middle ear pathologies.30% greater field of view than pneumatic otoscopy. [Side Insufflation Port]: Used with Insufflation bulb(not Include) to clean inside dirt and dust. [Wide Usage]: Portable for home, clinic, medical school, veterinary etc. Specifications: Material: ABS + Copper Bulb Type: XHL Bulb / LED Bulb (Optional) Power By: 2 * AA Battery (Not Included) Tip Size: Dia.2.5mm;3mm;4mm;5mm Lens Diameter: 21mm Illumination: Fiber Optic Illumination XHL Bulb:  Type: 2.5V 700mAh  Color Temperature: 3050K +/-5% Luminance: 24 Lumen LED Bulb: Type: 3V 80mAh Color Temperature: 6000K Luminance: 25 Lumen Working Situation: Temperature: 10-35℃; Humidity: 30-75%; Air Pressure: 700-1060hPa Product Size: 16.7 * 4.8cm / 6.5 * 1.9" (L * W) Product Weight: 78g / 2.