Model Number: V1 Brand Name: ADAYO/Generic Key Specifications/Special Features: 1. Compatible with major electronic devices (game consoles, smartphones, laptops, tablets, digital (video) camera)2. Built-in multimedia player, compatible with HDMI/VGA/AV signal devices3. Texas instrument DLP and RGB LED technology4. 50 lumens, native resolution 1024 x 600p5. Battery powered, running time 90 minutes Projector technology:LCOS Lamp: RGB LED, lifespan over 20,000 hours Image size (diagonal): 15-80" Projection distance: 0.5 to 3m Native resolution: 1024 x 600 Contrast ratio: 300:1 Aspect ratio: auto/16:9/4:3 Focus: manual Offset: 100% Audio: 1 watt Power consumption: 13watts (max) Power supply 9V/3A (transformer AC 100-240V, 50/60Hz) Battery 3.7V 3200mAh Li-ion battery I/O connector USB, 3.5mm A/V input, HDMI, DC Weight: 225g Dimensions: 125.5x73x35mm Brightness: 50 ANSI lumens Keystone correction manual/auto, ±40 degrees Remote control Yes Operating temperature 0 to +45°C