Features:1. Heat dissipation: This product adopts advanced heating fan, with strong heat dissipation and low sound dryness, which is more suitable for family viewing.2. LED light: It adopts new generation LED light. Energy-saving environmental protection without harm to the eyes. It is a good assistant for children's education, as well as attractive toys for children.3. Function: This product has multiple functions, it can read U disk, mobile hard disk, TF card, AV cable with DVD, set-top box.4. Good quality: This product is made of high-quality materials, fine workmanship, very good quality and long service life.5. Easy installation: This product is very easy to install, no additional tools are needed, and the installation process is very convenient.Description:This product material durable, easy to install, the picture quality is very clear, very suitable for home projection.Specifications:Type: HouseholdOperating system: no operating systemResolution: 320 * 240 pixelsPower consumption: 10W-24WBrightness: 4000 lumens or moreScreen ratio: 4; 3Noise: noneInput port: yesOutput port: yesSpeaker: yesPlug and play: supportZoom factor: fixed focusProjection method: desktop front projectionProjection technology: single-chip LCDWireless projection function: not supportedAdjustment function: electric focusDrop screen size: 20-80cmDisplay scanning frequency: 67.10HzPower supply: 5Product size: 126.4*85.8*47.7mmPackage Included:1pc* Projector (battery not included)1pc* Remote control1pc* Power adapter1pc* Three-in-one AV cable1pc* Manual1pc* Packing box