Portable projectors offer high brightness in a compact, 3.5-kg (7.7-lb) body. These models also feature a wide range of functions that greatly reduce the hassle & cost of maintenance, such as a lamp replacement cycle of up-to-5, 000 hours & an air filter replacement cycle of up-to-6, 000 hours. A newly developed intelligent lamp control system effectively reduces power consumption. These advanced models provide powerful visual support with superb performance while minimizing environmental impact.