Home Model Infra Red Lamp 250W Stationary Base Otoscopes Opthal Handle Operatiog humidity: 20 80%RH 17170 Operatiog humidity: 20 80%RH the hearing aid is waterproof❗ PATIENT MODEL 250 WATT HEATING ELEMENT * Stationary Base * Features ceramic heaters that change color from coral to gray when energized * Nickel chromium resistance wire embedded in ceramic casting provides uniform heat transmission 96% thermal efficiency with low element surface temperature * Inner body of the element is filled with ceramic fiber insulation which conserves energy maximizes efficiency and minimizes heat build up at the terminal area * Heat up time is 3 9 minutes to reach 90% of maximum temperature * Height adjusts 35 to 58 * 250 Watt Lamp * Recommended for those patients requiring supplementary heat treatments at home * 12 flexible arm 3 conductor cord set 250W ceramic heater and protective screen * Shipping dimensions: 12 x 32 x 8 *