Cargeer 17.3 Inch HD Super Slim Roof Monitor, Flip Down Monitor with USB SD IR FM Speaker and HDMI 1080P Video Format (Black) 17.3" HD Super Slim Roof Monitor with HDMI and 1080P Video Function 3 Sound Transmission Methods: (FM Transmitter, IR, Build in Speaker) 2 way video inputs and HDMI input Support HD 1080P video format and MP4/MPG/RM/RMVB/AVI/MPEG/VOB/ DIVX etc video format With 2.0USB port and micro SD slot ( max 32GB sd card)