WA Universal Desk Charger Walkers Specialty Accessori 25 1073 mm Legs Closed H300 is the third 25 1073 mm Legs Closed External Width 27 Colors Beige Saturation Sound Pressure Level (SSPL) 129dB Frequency Range 200~5000 Hz Total Harmonic Wave Distortion ≤10># td### Reference Test Gain 56±5dB Input noise ≤20+3dB Sound amplification 80 * Colored LEDs indicate power to the unit and that handles are charging * Advanced circuitry for constant automatic safe charging and optimum lamp performance and life * Compact for convenience and mobility * Optional wall mount kit for permanently mounting to wall or cabinet * Optional specula tray conveniently stores swabs otoscope specula and curettes * Accepts 3 5 V well rechargeable NiCad handles Lithium Ion Handle and PocketScope handles (only PocketScope handles require an adapter)