-The resolution:720P/1080i/1080P -The audio output:3.5 audio interface/R+L -The voltage:5V 1A -The input end: VGA+Audio -The output end:HDMI -The using environment:-20-65degrees, the relative humidity:5%-95% -This product with the chip, and need external power source, the operating current :170mA, the universal USB cable supply to demand normal work -This product is belong the blow turn into the high, and the HDMI output the audio need simultaneously connect the analog audio, the video output is the version of HDMI-1.3 -Test the known desktop, laptop, security hard disk video, and other devices that attached the VGA output can normally work with this product, and it supports the usually use the system:win7, win8, and so on. The resolution can free adjust from 800 x 600 to 1920 x 1080 with the support of the system -The light is flash when the HDMI equipment connect the LED lamp, the light will Turn Off when pulling this product out, indicating the work condition HDMI output -The product design with the black, gold plating plug terminal and the total length is 300+/-5mm, matching 3.5 female turn male lotus head AV audio cable to cater the different audio input It is only suitable for the device to upgrade with the VGA interface trough connection HDMI HD indicator. --Insert the VGA interface into the computer or other equipment with the VGA output -Plug the USB and audio connector into the related interfaces -Insert The other connector into the HDMI cable, then connect the HDMI cable to the displayer and the projector device with the HDMI interface -Play the video, PPT, and documentation, the image will display on the screen of the other display device What's in the box 1 x VGA To HDMI Output 1080P HD + Audio TV AV HDTV Video Cable Converter Adapter 1 x USB cable