Vention DVI (24+1) to VGA adapter konverter Product SKU:2410 Model:EBABB Connector A:DVI (24+1) male Connector B:VGA female Power supply port:Micro usb Chip:AG6200 Cable length:0.15m Color:Black Weight:0.114kg Supported Video Resolution:480i, 480P, 720i, 720P, 1080i, 1080P From DVI digital interface signal source devices to VGA analog interface projection/television/display device... An additional power supply input port allows the external power 10w (5v-2a) to be connected to improve and stabilize the signal if interference occurs. The external power supply adapter are not included at the price of the product !!! 