The Operating light EMALED 500 and the combination lamp EMALED 500/500 are most suitable for daily operating room work. EMALED 500 has an illuminance of 100,000 lux per lamp and a 180-350 mm diameter of working area. Its 70 LEDs produce a near sunlight spectrum of 4,200 K with a color rendering index of 92 giving out a shadow free light and even illumination. Lumincance and focusing are done via a control panel mounted directly onto the body of the lamp. EMALED 500 has an uninterruptible power supply through the automatic trickle charge technology, providing integrated accumulators a surgical lighting capacity of up to 4 hours even without a main power supply. Low operating cost is ensured because of the LEDs? long power life and the low power consumption of 80 watts while still providing the best light output for surgical operations.