Epson, excellent version, 3100 lumens for white, and 3100 for white. The device is clean, and if I needed it, I wouldn't have put it up for sale. It comes with an electric curtain screen with a remote that you can hide or lower. Its size is over 100 inches. Also, there is a Xiaomi box with Android system, you connect it to the projector and it turns into an Android system, with a 12-meter HDMI cable.