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Description
Vivitek DW771 USTi: WXGA Ultra Short Throw DLP Projector, 350The Vivitek DW771 USTi is a cutting edge ultra short throw projector designed for education and collaborative environments. It delivers stunning WXGA resolution (1280 x 800) with a brightness of 3500 ANSI lumens and a contrast ratio of 10,000: 1, ensuring clear and vibrant images even in well lit spaces. With its ultra short throw lens, it can project a large 100 inch image from just 0. 35 meters away, making it perfect for small classrooms and
The Vivitek DW771 USTi is a cutting-edge ultra short throw projector designed for education and collaborative environments. It delivers stunning WXGA resolution (1280 x 800) with a brightness of 3500 ANSI lumens and a contrast ratio of 10,000:1, ensuring clear and vibrant images even in well-lit spaces. With its ultra short throw lens, it can project a large 100-inch image from just 0.35 meters away, making it perfect for small classrooms and meeting rooms. The projector also features built-in interactivity, allowing multiple users to engage simultaneously using two pens or an optional finger touch unit. Additionally, it supports 4K signal compatibility, making it a versatile choice for a variety of multimedia applications.
Features
- Ultra Short Throw Design: Projects up to a 100" image from just 0.35 meters away, maximizing space efficiency.
- High Brightness: 3500 lumens ensure bright and clear images in any environment.
- Excellent Contrast: 10,000:1 contrast ratio for sharp and vivid image quality.
- WXGA Resolution: Native resolution of 1280 x 800, compatible with 4K signals for enhanced content playback.
- Built-in Interactivity: Supports multi-user interaction with two pens or an optional finger touch unit.
- Long Lamp Life: Up to 12,000 hours in Eco mode, reducing maintenance and replacement costs.
- Network Monitoring: Compatible with Crestron® RoomView™ for easy management and monitoring of multiple projectors.
Specifications
- Display Type: 1-Chip DLP™
- Brightness: 3500 ANSI Lumens
- Native Resolution: WXGA (1280 x 800)
- Max Supported Resolution: UHD (3840 x 2160) @60Hz
- Contrast Ratio: 10,000:1
- Throw Ratio: 0.35:1
- Image Size: 80" - 100"
- Projection Distance: 605mm - 755mm
- Light Source Life: 5,000 hrs (Normal) / 8,000 hrs (Eco) / 12,000 hrs (Dynamic Eco)
- Audio Power: 10W x 2
- Dimensions: 287.7 x 374.5 x 122.6 mm
- Weight: 5 kg
- Warranty: 5-Year Limited Parts/Labor, 1-Year on Lamp
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Kids Formal Vest Review
Color: Royal Blue, Size: 12, Color: Royal Blue, Size: 12
At the time of review, the price was $17.09. It seems to be correctly priced for the value it provides.
I found this vest to be versatile, suitable for a range of formal and semi-formal occasions, from weddings to school events, and capable of being dressed up or down. The fit generally seemed accurate or slightly generous, though it does come with the adjustable back strap offering some customization. The overall quality of the vest, including its construction and stitching, appeared to be good, with a durable and well-made feel. It presented a polished and sharp appearance that could elevate an outfit, and the color is very close to the product image. The material felt substantial and structured, yet breathable, often featuring a silky lining and a notable texture and seems to be machine washable. Based on the quality I've seen, I considered this vest to offer good value for its price point.
The vest provides a functional option for children's formal wear. Its design and construction suggest practical utility for various events... or your kid can just wear it all the time like mine does.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Great Boys Suit Vest
Color: Black, Size: 12, Color: Black, Size: 12
I recently had a chance to pick up this boy's suit vest for my upcoming wedding, and it is absolutely perfect. It fits my son so well, running very true to size. The material is so silky smooth and soft, he absolutely loves it. He's autistic and has a thing about different fabrics and this does not irritate or bother him at all. It is going to be perfect over his long sleeve button down shirt. The best looks amazing on him, and the black color is definitely a very dark true black. It is such a great value for the money, you will not be disappointed! I highly recommend picking this up if you need one for your boy or if you have a family member who needs one for an upcoming event.
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Reviewed in the United States on April 4, 2026
★★★★★ 4
Boys vest
Color: Black, Size: 8
The vest looks nice.
It seems well made and looks high quality.
The fabric is nice.
The buttons seem very sturdy.
The vest is lightweight and shouldn’t be too sweaty.
It’s a nice versatile piece. Can be dressed up or down.
The fit is a smidge awkward on my boys, but they still like it.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Looks very nice and sizing is right
Color: Navy Blue, Size: 14, Color: Navy Blue, Size: 14
I ordered this for my 13-year-old who currently wears a size 12-14. He's closer to the 12, but has enough clothes in that size, so I ordered the 14 in navy blue. He chose the color, although it took him a while to decide. My kids so far have preferred not to go to school dances or dressier school functions, but I try to keep an outfit on hand in case they need it, and he does have to dress up a little for school band performances. He doesn't really have any kind of clothing preferences (yet), and is just as likely to look dressed up as he is to wear something completely wrinkled (but clean).
This vest fits as expected. It is a bit large on him to the same degree that the other size 14 clothes he has are. He is pretty skinny, so while I think it would fit someone who is more average sized, I'm not sure how well it will do on huskier sizes. It has a nice buckle on the back as most men's vests like these have, so it can be adjusted in that sense.
The navy color is a bit of a brighter shade than your average navy, but not outside of the normal range for navy. I like it. It’s hard to get the exact color in pictures.
The fabric and construction both seem to be good quality. The fabric feels average compared to my husband's dress vests, better than the lower quality/cheaper ones and not quite as nice as the ones he spent more on. This boy's dress vest is currently being sold for approximately $20, which I think is great for a nice dress vest like this.
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Reviewed in the United States on February 27, 2026
★★★★★ 5
"Navy Vest & Pocket Square Charm; Formal Polish for Perfect Pairing
Color: Navy Blue, Size: 8, Color: Navy Blue, Size: 8
This very charming boys navy blue vest pairs perfectly with the accompanied pocket square, adding formal charm to dockers or navy khakis. My boys look dapper in matching sets. A timeless style that elevates any outfit.
Made with quality fabric that appears to resist wrinkles, with the pocket square folding neatly for that polished touch. Comfortable and event ready.
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Reviewed in the United States on April 14, 2026