60HZ The system is Android 14 With 60 frames Full HD 1080p Brightness 900 lumens 50 - 130 inches 360 degrees Wireless connection Automatic focus and correction Used for three months then put it in the closet because I didn't benefit from it as I am not a teacher and not into sports. Selling it for 300, negotiable. Refresh Rate: 60Hz Resolution: Full HD Type: Projector Connectivity: HDMI