Feature:1. The maximum optical resolution supports full HD digital video ready, which is practical.2. And the projector supports external mobile hard disk, memory card, U disk, STB multimedia video decoding.3. Meanwhile, such home projector supports all format playback, while the maximum supported resolution is 1920 x 1080.4. Ultra high dynamic contrast ratio is up to 1000: 1, and RD-814 color is clear and bright, so that dark details and bright parts are presented together, making each frame more gorgeous.5. Household projector is made of materials in high quality, easy to use in the practical life.Specification:Item Type: ProjectorMaterial: Plastic.Power: 15WPower Supply: 12V 1.5AOriginal Resolution: 320 x 240Support Maximum Resolution: 1920X1080Contrast Ratio: 1000: 1Lifespan: 20000 hoursBuilt-in Speaker: YesDisplay Size: 20 to 80 inchAspect Ratio: 16: 9 and 4: 3Throwing Distance: 0.9-2.6 mExternal Storage: Support memory cardBattery Model: AAA (not included).Package List:1 x Projector1 x Instruction Manual1 x Power Supply1 x Audio Cable1 x Remote Control(without battery)Note:Remote control battery is not included.