http://www.deltaww.com/pdf/avr4220.pdf
規格滿好的.希望能夠有這麼好看.
Screen Size (inch) 42" Diagonal (106.7 cm)
Aspect Ratio 4:3
Technology Single Panel LCD Projection
Resolution 800 x 600 (Native)
Brightness 80 FL (274 nits)
Lamp Life 6,000 hrs
Operating Temperature 32 F~104 F (0~40 C)
Speakers 2 Built-in
Remote Control Infrared
Data Input Terminals D-sub 15-pin x 2 (Rear x 1, Front x 1)
DVI-D 24-pin x 1 (Rear)
Audio: Mini-Din x 2 (Rear x 1, Front x 1)

A/V Input Composite Video RCA pin x 3 Sets (Rear x 2, Front x1)
S-Video: Mini-Din 4-pin x 3 Sets (Rear x 2, Front x1)
Audio: RCA pins (L&R) x 3 Sets (Rear x 2, Front x1)
Component Input YcbCr/YPbPr: RCA pins x 1 Set (Rear)
Audio: RCA pins (L&R) x 1 Set (Rear)
A/V Output Composite Video RCA pin x 1 Set (Rear)
S-Video: Mini-Din 4-pin x 1 Set (Rear)
Audio: RCA pins (L&R) x 1 Set (Rear)
Video compatibility NTSC/ PAL/ SECAM; DTV (720p/1080i) Ready
Tuner NTSC or PAL
Video Mode (Optional TV/Tuner Cartridge)