Product Name:Home Theater Projector Trapezoidal system:Electronic ladder correction Specification:US/EU/UK/AU Focusing mode:manual focus Light source:LCD Zoom function:support Lumen（ANSI）:120 Suggested projection distance（m）:0.6-4m Physical Resolution:1280*720P Suggested projection size:40-100 inches (optimal 80 inches) Focus difference:Standard/Normal System:Android 11 Interface:HDMI/USB/DC/AV Chip:H713/RK3326 Light source life:30000h Configuration parameter:1G+8G/customizable Transmissivity:0.9:1 Wireless support:2.4G/5G dual frequency Remote control:infrared remote controller Temperature control:support