HDMI 1.4 x2, VGA-in x2, VGA-out x1, Composite video,Composite audio L/R, S-video, 3.5mm audio input x2, RS232, RJ45,Usb-A(1.5v) USB-B (Firmware)

HDMI 1.4b x2, VGA-in x1, VGA-out x1, Composite video, RCA Audio R/L x2, 3.5mm audio input & Output, microphone, USB-A (Wifi dongle), USB-B (Firmware), RJ45/LAN

HDMI 1.4b x2, VGA-in x1, VGA-out x1, Composite video, RCA Audio R/L x2, 3.5mm audio input & Output, microphone, USB-A (Wifi dongle), USB-B (Firmware), RJ45/LAN

HDMI 1.4b x2, VGA-in x1, VGA-out x1, Composite video, RCA Audio R/L x2, 3.5mm audio input & Output, microphone, USB-A (Wifi dongle), USB-B (Firmware), RJ45/LAN

3 LCD, 3 chip technology

3LCD 16mm (0.64")

3 LCD 15mm (0.59" )

1-Chip DLP 17mm (0.67")