Acer K138ST + 3Y Carry-In vs Acer K138ST + 3Y On-Site

Comparison of K138ST + 3Y Carry-In, K138ST + 3Y On-Site

61 specifications	A Acer K138ST + 3Y Carry-InView product	B Acer K138ST + 3Y On-SiteView product
Projectoridentical
Projector brightness	800 ANSI lumens	800 ANSI lumens
Projection technology	DLP	DLP
Projector native resolution	WXGA (1280x800)	WXGA (1280x800)
Contrast ratio (typical)	100000:1	100000:1
Native aspect ratio	16:10	16:10
Supported aspect ratios	4:3, 16:9, 16:10	4:3, 16:9, 16:10
Screen size compatibility	635 - 2540 mm (25 - 100")	635 - 2540 mm (25 - 100")
Projection distance	0.4 - 1.7 m	0.4 - 1.7 m
Number of colours	1.073 billion colours	1.073 billion colours
Vertical scan range	50 - 120 Hz	50 - 120 Hz
Horizontal synchronization (max)	100 kHz	100 kHz
Horizontal synchronization (min)	30 kHz	30 kHz
Keystone correction, vertical	-20 - 20°	-20 - 20°
Vertical synchronization (max)	120 kHz	120 kHz
Vertical synchronization (min)	50 kHz	50 kHz
Light sourceidentical
Service life of light source	20000 h	20000 h
Service life of light source (economic mode)	30000 h	30000 h
Lamps quantity	1 lamp(s)	1 lamp(s)
Lens systemidentical
Focus	Manual	Manual
Digital zoom	1.7x	1.7x
Throw ratio	0.8:1	0.8:1
Videoidentical
Full HD	No	No
3D	Yes	Yes
3D Ready	Yes	Yes
Ports & interfacesidentical
VGA (D-Sub) ports quantity	1	1
HDMI ports quantity	1	1
Component video (YPbPr/YCbCr) in	0	0
Composite video in	0	0
DVI portKnown for one	—Unknown — not stated by the source	No
S-Video inputs quantity	0	0
USB 2.0 ports quantity	1	1
AC (power) in	Yes	Yes
Networkidentical
Ethernet LAN	No	No
Ethernet LAN (RJ-45) ports	0	0
Wi-Fi	No	No
Storageidentical
Card reader integrated	No	No
Featuresidentical
Noise level	33 dB	33 dB
Noise level (economic mode)	29 dB	29 dB
Multimediaidentical
Built-in speaker(s)	Yes	Yes
Number of built-in speakers	2	2
RMS rated power	6 W	6 W
Designidentical
Product type	Portable projector	Portable projector
Market positioning	Portable	Portable
Product colour	White	White
Displayidentical
Built-in display	No	No
Poweridentical
Power source	AC	AC
Power consumption (typical)	80 W	80 W
Power consumption (economy mode)	38 W	38 W
AC input voltage	100 - 240 V	100 - 240 V
Softwareidentical
Windows operating systems supported	Yes	Yes
Mac operating systems supported	Yes	Yes
Operational conditionsidentical
Operating temperature (T-T)	5 - 40 °C	5 - 40 °C
Weight & dimensionsidentical
Weight	750 g	750 g
Packaging contentidentical
Remote control included	Yes	Yes
Batteries included	Yes	Yes
Cables included	AC	AC
Carrying case	Yes	Yes
Manual	Yes	Yes
Quick start guide	Yes	Yes
Other featuresidentical
Maximum digital resolution	1920 x 1080 pixels	1920 x 1080 pixels
RS-232 ports	0	0

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.