Product Preview:
The vivibright PRX570ST-I is a short-focus projector offers the highest display flexibility-giving you a 80ich big picture in a mere projection distance of 1 meter! Featuring 3500 ANSI Lumens high brightness and 12000:1 high contrast ratio and DLP® Link™ 3D technology, this XGA projector is the perfect match for small-sized business and education settings!
entry-level model is just for education market, Such as government tender orders, please contact us if possible or Or If you have this tender information. the vivibright PRX570ST-I also features multi display for ultra-smooth connection, 3D ready projection and MHL connectivity to keep your presentation lookin Great! 

> 0.65 short-throw lens Design
> Native XGA / 1024X768Pixels
> 3500 ansi lumens Std Brightness
> World-Leading SmartEco Technology
> LampSave Mode for Lower Replacement Cost
> Upper Lamp Door for Easy Lamp Access
> Teaching Template Design for Teacher
> Quick Instal via Remote Control

Type: Multimedia Short throw Projector
Projection System: DLP 3D Technology
Native Resolution: XGA /1024 *768 Pixels
Brightness: 3500 ANSI Lumens
Contrast Ratio: 12000:1
Display Color: 1.07 Billion Colors
Lens: F=2.6, f=6.9mm
Aspect Ratio: Native 4:3 to 16:9
Throw Ratio: 80"@1m
Lamp Type: 210W,6000Hrs Life

Image Size (Diagonal): 50"-300"
Zoom Ratio: Fixed lens
Aspect Ratio: 4:3/16:9
Keystone Adjustment: Vertical ± 40 degrees
Resolution Support: VGA(640x480)~UXGA(1600 x 1200)
Horizontal Frequency: 15-102KHz
Vertical Scan Rate: 23-120Hz

Interface: 
 Computer in (D-sub 15pin) x 2(Share with component)
 Monitor out (D-sub 15pin) x 1
 Composite Video in (RCA) x 1
 S-Video in (Mini DIN 4pin) x 1
 Audio L/R in (RCA) x 1
 HDMI/MHL x 1
 Speaker 10W x 2
 USB (Type Mini B) x1 (Download & page/down)
 RS232 (DB-9pin) x 1
 IR Receiver x2 (Front+Rear)
 RJ45 (Network) x1

Dimensions(WxHxD): 283 x 95 x 222 mm
HDTV Compatibility: 480i,480p,576i,576p,720p,1080i,1080p
Video Compatibility: NTSC, PAL, SECAM…Automatic
Weight: 1.8kg (3.96lbs)
Noise (Normal/Eco): 33/28 dBA
Power Supply: AC100 to 240 V, 50 to 60 Hz
Power Consumption: 250W(Normal), 230(Eco) Standby<0.5W

Display Languages: 12 Country Languages
Picture Modes: Dynamic/Presentation/sRGB/Cinema.

Accessories (Std):
Remote Control w/ Battery
Power Cord (by region)
Quick Start Guide
Warranty Card (by region)
VGA(D-sub 15pin) Cable

Accessories (Optional): 
Spare Lamp Kit
Ceilling Mount
3D Glasses
Carry bag