System: Android 9.0 Central Processing Unit: Quad-core ARM Cortex-A55 CPU Graphics processor: Arm Mali-G31 MP2 GPU Buffer memory: 2G/4G LPDDR4 RAM: 32G Wireless Internet: Bluetooth 2.4G/5G 802.11a/b/g/n/ac Projection technology: DLP (0.2’DMD) Display chip: RGB LED OSRAM Q6 Long life of light: 20,000 hours Projection area: 30-120 inches Cornerstone correction: manual, vertical: ± 45 degrees, horizontal ± 40 degrees