4. Physical descriptions1 Power supply DC 12V / 3 A,Only use the power supply unit provided for operating the monitor!2 Audio in BNC Audio input 3.5mm , linked with BNC inputs3 Audio in PC Audio input 3.5mm , linked with VGA input4 BNC out (AHD/TVI/CVI) BNC Video out, parallel out of AHD/TVI/CVI input signal5 BNC in (AHD/TVI/CVI) BNC Video input for AHD (max. 5MPx) / TVI (max.4MPx) and CVI(max.3MPx) signals6 BNC out (CVBS) BNC Video out, parallel out of CVBS signal7 BNC in (CVBS) BNC Video input for CVBS signals (PAL/NTSC)8 VGA IN VGA input9 HDMI IN HDMI input