Vivitek Projectors        

Model	D557W	D860	D861	D556	D555	D519	D837	D859	D330MX	D330WX	D853W	D855ST	D857WT	D755WT	D755WTi
Brightness	3000	3000	3000	3000	3000	3000	3500	3600	3000	3000	3200	3000	3000	3000	3000
Contrast Ratio	15,000:1	2500:1	2500:1	15,000:1	15,000:1	15,000:1	2500:1	3000:1	2500:1	2500:1	3200:1	3000:1	3000:1	5000:1	5000:1
Resolution	WXGA (1280 x 800)	SVGA (800 x 600)	XGA (1024 x 768)	SVGA (800 x 600)	XGA (1024x 768)	XGA (1024 x 768)	XGA (1024 x 768)	XGA (1024 x 768)	XGA (1024 x 768)	WXGA (1280 x 800)	WXGA (1280 x 800)	XGA (1024 x 768)	WXGA (1280 x 800)	WXGA (1280 x 800)	WXGA (1280 x 800)
Max Resolution	UXGA (1600 x 1200)	UXGA (1600 x 1200)	UXGA (1600 x 1200)	UXGA (1600 x 1200)	UXGA (1600 x 1200)	UXGA (1600 x 1200)	UXGA (1600 x 1200)	UXGA (1600 x 1200)	UXGA (1600 x 1200)	UXGA (1600 x 1200)	UXGA (1600 x 1200)	UXGA (1600 x 1200)	UXGA (1600 x 1200)	UXGA (1600 x 1200)	UXGA (1600 x 1200)
Weight	5.1 lbs	6 lbs	6 lbs	5.1 lbs	5.1 lbs	4.2 lbs	5.7 lbs	6 lbs	3.2 Lbs.	3.2 Lbs.	6 lbs	6 lbs	6 lbs	11lbs	11lbs
Size	10.8” x 3.66” x 8.35”	11 x 4.4 x 10.23	11 x 4.4 x 10.23	10.8” x 3.66” x 8.35”	10.8” x 3.66” x 8.35”	10.3 x 3.0 x 7.5	11 x 3.6 x 8	12 x 4.3 x 8.5	8.6” x 2.79” x 7”	8.6” x 2.79” x 7”	12 x 4.3 x 8.5	12 x 4.3 x 8.5	12 x 4.3 x 8.5	11.3 x 4.9 x 14.7	11.3 x 4.9 x 14.7
Lamp Type	190W UHP	190W UHP	190W UHP	190W UHP	190W UHP	190W UHP	230W	230W	220W SHP	220W SHP	220W	220W	220W	230W	230W
Lamp Life	5000 / 6000	4500 / 6000	4500 / 6000	5000 / 6000	5000 / 6000	4000 / 6000	3000 / 4000	2500 / 4000	2000/3000 Hours	2000/3000 Hours	4000 / 6000	4000 / 6000	4000 / 6000	5000 / 8000	5000 / 8000
Throw Ratio	1.92 to 2.14:1	1.93 to 2.16:1	1.93 to 2.16:1	1.92 to 2.14:1	1.92 to 2.14:1	1.92 to 2.14:1	1.93 to 2.16:1	1.6 to 1.92:1	1.8 to 2.2:1	1.8 to 2.2:1	1.52 to 1.76:1	0.65:1	0.53:1	0.35:1	0.35:1
Image Size	23” to 256”	25” to 300”	25” to 300”	23” to 256”	23” to 256”	40” to 300”	23” to 300”	30” to 300”	26.87” to 311.1”	26.87” to 311.1”	40” to 300”	37.3” to 373”	43.8” to 438”	80” to 100”	80” to 100”
Remote Control	IR Remote	IR Remote	IR Remote	IR Remote	IR Remote	IR Remote	IR Remote	IR Remote	IR with Laser Pointer and Presentation Controls	IR with Laser Pointer and Presentation Controls	IR Remote	IR Remote	IR Remote	IR Remote w/Laser Pointer	IR Remote w/Laser Pointer
Speakers	One 2-Watt	One 2-Watt	One 2-Watt	One 2-Watt	One 2-Watt	One 2-Watt	One 2-Watt	One 10-Watt	One 1-Watt Speaker	One 1-Watt Speaker	One 10-Watt	One 10-Watt	One 10-Watt	Dual 10-Watt	Dual 10-Watt
Warranty	5 Year on Projector 1 Year on Lamp	5 Year on Projector 1 Year on Lamp	5 Year on Projector 1 Year on Lamp	5 Year on Projector 1 Year on Lamp	5 Year on Projector 1 Year on Lamp	5 Year on Projector 1 Year on Lamp	5 Year on Projector 1 Year on Lamp	5 Year on Projector 1 Year on Lamp	5-Year Warranty 1 Year on Lamp	5 Year on Projector 1 Year on Lamp	5 Year on Projector 1 Year on Lamp	5 Year on Projector 1 Year on Lamp	5 Year on Projector 1 Year on Lamp	5 Year on Projector 1 Year on Lamp	5 Year on Projector 1 Year on Lamp