The cheapest mini projector with good quality! This projector has the smart design and color! The world's latest chip technology, the creation of a number of independent R&D patents, the traditional three-chip LCoS synthesis. -High-speed drive technology Let you experience smooth video and vivid picture -Excellent image processing engine technology Achieve a rich and vivid high-definition, digital imaging technology, decomposition of image detail, so that the screen is more clear-cut. -Adopt sophisticated optical technology lens Show high-definition screen Display excellent color degrees SPECIFICATIONS Method of Projector: Front Panel size: 0.44inch Resolution: 640*480 Pixel Brightness: 50 Lumens Lamp source: High power LED(3W) Lamp life time: Over 30, 000 hrs Screen size: 15-68inch Contract Ratio: 200: 1 Focus: Manual Speaker: 0.6 Watters Video/Audio Terminal: Mini AV cable Power source: DC 5V, 2A Package and accessories: Product size: 62.3x38.2x61.7mm Package box: White color/piece, box size: 20cmx18cmx5.5cm Accessories: Video cable/DC Adapter/User manual/Tripod Shipping weight per item: 0.6KG Accessories: AV cable/DC Adapter/User manual/Tripod (can not connect with computer directly, no battery inside, if you need to connect with computer, you can buy a VGA to AV converter, the cost is USD20.00 Wide range of applications: Business and product presentations, Company training, School education, Friend's party, Home amusement, etc