XL6600U

Brightness (Lumens) : 6000 
Resolution : 1024 x 768 pixel
Contrast : 1000:1 (on/off)
Weight (kg) : 9.8
Wireless : No
Connection : LAN(RJ-45) x 1; RS-232C(D-Sub 9pin) x 1;

                     USB  x 1; Wired remote in / out

XL6500U

Brightness (Lumens) : 5000

Resolution : 1024 x 768 pixel 

Contrast : 1000:1 (on/off)

Weight (kg) : 9.8

Wireless : No

Connection : LAN(RJ-45) x 1; RS-232C(D-Sub 9pin) x 1;

                     USB  x 1; Wired remote in / out

XL2550U

Brightness (Lumens) : 4000

Resolution : 1024 x 768 pixel

Contrast : 600:1 (on/off)

Weight (kg) : 4.7

Wireless : No

Connection : LAN(RJ-45) x 1; RS-232C(D-Sub 9 pin) x 1; USB x 1

XL1550U

Brightness (Lumens) : 3100

Resolution : 1024 x 768 pixel

Contrast : 400:1 (on/off)

Weight (kg) : 4.7

Wireless : No

Connection : LAN(RJ-45) x 1; RS-232C(D-Sub 9 pin) x 1; USB x 1

XD3200U

Brightness (Lumens) : 4500

Resolution : 1024 x 768 pixel

Contrast : 2500:1 (on/off)

Weight (kg) : 10.3

Wireless : No

Connection : LAN (RJ-45) x 1; RS-232C(D-sub 9pin) x 1 (Mouse Control);

                     USB x 1; Wired remote in / out