Luxamed skriver selv: Characteristics innovative otoscope in pocket size illumination: LED-Ring with 6 LEDs (concentric), no fibre optic, field of vision is not restricted Protected by utility patent DE202013104278U1 maintenance-free, because no lamp replacement necessary can be dimmed automatic switchoff after 3 minutes life expectancy of LEDs: approx. 100.000 hours by constant current drive intensity of illumination: approx. 10.000 Lux colour temperature: approx. 4.000 K optimized design of head pivoting 3-fold magnifying glass with locking function insufflation port for pneumatic test two-component handle (aluminium/fibre-glass reinforced) electronic ON/OFF push-button switch power supply: 2x AAA Alkaline batteries, inclusive incl. 20 disposable ear funnels, grey, each 10 x 2.5 mm and 10 x 4.0 mm