xtrons 17.3 inch 16:9 ultra-thin fhd digital tft screen 1080p video car overhead player roof mounted monitor hdmi port 19201080 full high definition (no dvd) xtrons <b>please note:</b>this product doesn't have a dvd drive<br><br><b>17.3" large digital screen</b><br> with its huge 17.3" screen, the xtrons cm173hd is designed for larger vehicles such as coaches, buses, motor homes and the like, for which this roof monitor is ideally suited. <br><br> <b>usb & sd (max compatibility: 32gb) </b><br> expand your media choices by plugging your usb stick or sd card into this unit to play music, video or view photos. <br><br> <b>blue atmospheric led light bar</b><br> equipped with high quality led light bars, you will enjoy a gorgeous lit atmosphere inside your vehicle at night. <br><br> <b>supports positive & negative door control</b><br> if your car has either a positive or negative door control wire, the lights on this unit can be automatically turned on or off depending on door status. <br> (the light of this unit will replace your existing roof light.) <br><br> <b>a variety of sound out choices</b><br> with built-in infrared, you can pick suitable option on how to output sound from the units. <br> 1. choice 1: built-in ir transmitter<br> the ir transmitter allows you to enjoy audio files with wireless headphones. it supports dual channel (a & b) wireless infrared headphones. <br> note: xtrons dwh002, dwh003, dwh004, dwh005, dwh006 and dwh007 ir headphones are compatible. if you need this function, please choose the right option.