Tera Grand HD-TG312 HDMI Mini Splitter 1 x 2 - Support 1080p and 3D Distributes 1 HDMI source to 2 HDMI displays simultaneously with ultra-low power consumption Support HDMI and DVI resolution up to 1080p. Support 3D technology (1080p/24Hz) Supports all HDMI features including full HD 10180p deep color, lip sync, CEC and all high resolution multi-channel audio format, including Dolby digital plus, 7.1 LPCM, Dolby TrueHD and DTs Master Audio Powered through HDMI cable with no extra power adapter needed Optional DC 5V 1A inner diameter 1.7mm power adapter is not included. You don't need the power adapter in most cases.