DisplayPort is one of the main connectors for audio/video transmission and display. The adapter is with conversion chipset inside, convertering the signal from displayport to VGA. The resolution ratio of VGA is up to 1920 x 1200. It supports 1080P as well. The VGA cable is with standard 15-pin connector, which could connect your display/LCD/monitor to your computer quickly. Feature: Chipest:Realtek RTD2166 Support resolution ratio up to 1080p, 1920 x 1200. Low voltage: Active: 1.4W, Standby: 100mW Automatic sink detection and standby mode EDID prefetch Vedio Input:5Volts p-p (TTL) Signal input / output: single link amplitude up to 1920X1200, 1080 Operating frequency: 154MHz/144MHz Connector: Input: DisplayPort Male 20pin; Output: VGA 15PIN Female Color: White/Black Length: 20CM Environment: Operating Temperature 0 °C to 70 °C Operating Humidity 10% to 85% RH (no condensation) Storage Temperature -10 °C to 80 °C Storage Humidity 5% to 90% RH (no condensation)