Excelvan 60 Inches UC28+ Portable Mini Hd LED Projector Micro Home Cinema Theater PC & Laptop Input VGA/USB/SD/AV/HDMI Projector Black for Home,Theater,Party,Outdoor,Camping. Native Resolution: 320 x 240;Supported resolution: 1024 x 768. Brightness: 48 Lux;Contrast: 300:1. Input: VGA/AV/USB/SD/HDMI (Support PC Laptop VGA input). Battery Lifetime: Up to 20K hours. Operation mode: Manual remote control.