Product Features: Lifetime warranty Made in Taiwan quality assurance built in HD conversion chip design Free take power， no external power supply hot swap， free driver can convert HDMI digital signal to VGA analog signals highest resolution up to 1920 X 1200 Support wide-screen 16: 9 or 16:10 Short-term flexural design， easy to carry support all brands of laptop / netbook / tablet briefing conference room projector Best Accessories Free use ASK HDMI TO VGA power converter cable， so you can easily put a computer / tablet and other HDMI devices to convert the signal source to play in VGA display. Free access using power supply design， no external power supply. Beautifully compact， lightweight design and easy to carry， business people briefing necessary action. Caution: Instructions: There are various different brands of screen output PORT options， select output PORT to VGA (D-sub; HDB15) to the screen normal output Oh! HDMI-> VGA-way transmission (non-bidirectional transmission) This product does not support the audio output