Hi, i have here for sale a Viewsonic X10-4K. This projector is a manufacturer refurbished item that is in mint condition, please see my images and judge for yourself. This works perfectly as it should and shows 2 hours used. The image is very sharp and the focus uniformity is excellent. This projector produces a beautiful image that is very bright. The auto focus is a really nice feature ! I uploaded several images to show just how nice the image is. This sale includes the projector, remote, unused batteries, USB-C cable, Wireless dongle adapter and the power cord. I don't have the original box but will carefully pack this up. This item will ship fully insured.    

From ViewSonic — Combining stunning 4K resolution with smart streaming functionality, the ViewSonic X10-4K projector delivers a cinematic experience from anywhere in your home. Images remain vivid and clear thanks to 2,400 lumens of brightness, Rec. 709 compatibility, and stunning 4K Ultra HD 3840 x 2160 resolution. Integrated smart Wi-Fi connectivity lets you stream and binge from your favorite content providers like Netflix and YouTube, while support for both Amazon Alexa and Google Assistant delivers the convenience of voice control. Featuring built-in Harman Kardon Bluetooth speakers and projecting screen sizes up to 120", this 4K projector delivers an immersive, big-time home entertainment experience.

Brightness
2400 Lumens (ANSI) 
Resolution
3840x2160
Aspect Ratio
16:9 (4K HD)
Display Type
0.47" DLP x 1
Color Processing
10-bit
Input Lag
4K/60: 66.9ms  |  1080p/60: 67ms
Video Modes
720p, 1080i, 1080p/60, 1080p/24, 1080p/25, 1080p/30, 1080p/50, 2160p/24, 2160p/60, 576i, 576p, 480p, 480i
Data Modes
MAX 3840x2160
3D Modes
Full HD 3D 

Lamp Type
LED
Lamp Life
30,000 hours

Included Lens
Fixed focal length , Powered focus
Optional Lenses
No
Lens Shift
No
Throw Distance
1.7' - 11.6'  Calculate Throw Distance
Image Size
29.26" - 199.64"
Throw Ratio
0.80:1 
Projector Placement
For a 
 "
 diagonal screen, place the projector lens 5'-10" from the screen.
Digital Keystone
Vertical only

Projector Size
6.50" x 10.30" x 10.70" 
Weight
9.0 lbs
Internal Speakers
8.0 Watts × 2
Power
140 Watts 100V - 240V
Connection Panel
Audio In: Mini Jack
Audio Out: Mini Jack
HDMI (HDCP 2.2) x 2
MemoryCard
Network: RJ-45
USB x 3
Wireless Networking

Features
Storage Device
Memory Card Reader
Full HD 3D
Frame Interpolation
HDR
Amazon Alexa
Auto Focus
Streaming Apps
Google Assistant