This product with three output ports, and you can choose one of them to use at a time as you demand, the functions of the port as followings:
1.DVI output, connect the DVI devices using a DVI cable.
2.HDMI output, (Note: A separate HDMIcable is required, not included)
3.VGA output, connect the VGA devices using a VGA cable.(Note:A separate VGA cable is required, not included)
4.Mini Display Port, connect Mac Book, Mac Book Pro, or Mac Book Air.Not compatible with Thunderbolt 3 (USB-C) ports
Input Signal:Mini Display Port 1.1a,Not compatible with Thunderbolt 3 (USB-C) ports
Input: Mini Display Port Male 20pin
Output: HDMI Female Type A 19pin
Connector:DVI Female (24+1) VGA Female 15Pin
Vertical Frequency Range:50/60Hz
Video Amplifier Bandwidth:2.25Gbps/225MHz HDMI/DVI/VGA:480i/480p,576p,720p,1080i/1080p
External Power Supply:No external power needed
Power consumption (Max):700mW
Mac Book Air, Mac Book Pro, iMac, and Mac mini with thunderbolt ports since 2011 are all supported.
Mac Book Air, Mac Book Pro, iMac, and Mac mini or PC with mini display port are also supported.
How to use:
You can use one of them at a time as your demand, when you want to use the DVI output, you just need to connect the DVI devices with a DVI cable. And when you want to use the HDMI output, you just need to connect the HDMI devices with a HDMI cable. When you want to use the VGA output, you just need yo connect the VGA devices with a VGA cable.
You should assure that if your Mac has one of the following two kinds of port : mini Display port
1 x Deconn Mini Display Port Thunderbolt to DVI VGA HDMI Adapter cable
45 days money-back and 12-month, worry-free Guarantee!
3-IN-1 GOLD PLATED Mini DisplayPort Male to HDMI/DVI/VGA Adapter Cable, Note: Only supports 1 display output at a time A separate HDMI/DVI/VGA cable is required, not included
Support Mini Display Port 1.1 a Dual-mode input. Not compatible with Thunderbolt 3 (USB-C) ports
The HDMI can support audio output for iMac (Late 2009) and Mac Book Pro (Mid 2010)
Support HDMI/DVI/VGA output with the max resolution of 1920x1080p@60Hz, 225MHz/2.25Gbps per channel (6.75Gbps all channel), 12bit per channel (36bit all channel) deep color.
Automatic detect the display by plugging and unplugging it. Powered from Mini Display Port source.