NOTE: Only 1 output device should be active at any time unless both of the 2 display devices share the same size and model. NOTE: Does NOT work on TV box / cable box / Satellite TV (e.g. Roku, Apple TV box, etc.) NOTE: this splitter is for you to connect 1 electronic device to 2 (two) TVs/monitors.' 'Operate it as following steps: 1. Connect your devices with this splitter cable 2. Turn the signal source on 3. Turn the first display on first and wait till it works properly 4. Then turn the second display on and enjoy it. Weight: 52g Length: 11.8 inch (30 cm) Brand new and high quality. 1 HDMI male to 2 HDMI female splitter cable. Support 480i, 480p, 720p, 1080i, 1080p. Gold_plated connectors for better signal transfer. Allow to connect HDMI devices that have Build-in HDMI ports, like HDTV, PlayStation 3, Upconvertor DVD Player, LCD Monitor and projectors. Package Include:1 x HDMI Male to 2 HDMI Female 1 in 2 out Splitter Cable