Detailed Product Description →Special features as following:1), long life time of the LED light source can up to 50,000 hours, it means 20 years if running 6~8hours a day, then no replacement on the light source; 2), low machine power within 45W, it will save energy for you;3), pure color and realistic screen, you can enjoy the performance in nice quality;4), slow attenuation, only 5% in ten ...