ViewSonic 4K, LED light source, TR0.25, HDMI x3, USB-C, 20W SPK x2 (w/ cube), V keystone, BT, WiFi

Projection System: 0.47" 4K-HDR
Native Resolution: 3840x2160
Brightness: 2400 (LED Lumens)
Contrast Ratio: 3000000:1
Display Color: 1.07 Billion Colors
Light Source Type: LED
Light Source Life (hours) with Normal Mode: up to 30000
Lamp Watt: RGBB LED
Lens: F=1.91, f=2.51mm
Projection Offset: 120%+/-5%
Throw Ratio: 0.25
Optical Zoom: Fixed
Image Size: 60”-150”
Throw Distance: 0.159m-0.657m (100"@0.379m)
Keystone: +/- 14° (V)
Audible Noise (Normal): 25dB
Audible Noise (Eco): 23dB
Local Storage: Total 16GB (12GB available storage)
Input Lag: 66ms
Resolution Support: VGA(640 x 480) to 4K(3840 x 2160)
HDTV Compatibility: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160P
Horizontal Frequency: 15K-135KHz
Vertical Scan Rate: 23-120Hz

HDMI: 3(HDMI 2.0, HDCP 1.4/2.2)
USB Type C: 1 (5V/ 2A)
Audio-in (3.5mm): 1
Audio-in (Bluetooth): 1 (BT4.0)
USB Type A: 3(USB3.0 Reader x1,USB2.0 Reader x1,Wifi dongle x1)
RJ45 Input (Internet): 1
Wifi Input: 1( 5Gn)

Audio-out (3.5mm): 2 (headphone x1,subwoofer x1)
Audio-out (Bluetooth): 1 (BT4.0)
S/PDIF: 1
Speaker: 20W Cube x2
USB Type A (Power): 3 (USB3.0 - 5V/2A x1, USB2.0 - 5V/1.5A x1, USB2.0 - 5V/900mA x1, share with USB A Input)