Pan Tilt Lamp Projector Proprietary products exclusive private model Cell phone controls ambient lights. 1280*720 pixels, support max 1080P, 2K, 4K decoding using HD signal. 1280*720 pixels, support max 1080P, 2K, 4K decoding using HD signal Wireless:2.4G & 5G WiFi CPU: H713/Quad-core ARM Cortex-A53 GPU: Mali-G31 supports OpenGL ES3.2,Vulkan 1.1,and OpenCL2.0 Bluetoth-compatible: BT 4.1- Contrast ratio: 1500:1 Support Airplay, Miracast, Mirror screen Projection screen size: 40-130 inches Automatic correction