Appearance
Shell Size
Shell Color	Black/White
Shell Material	Panel: toughened glass+Back Cover:plastic
Display Size	21.5″
Motherboard
CPU	RK3566/RK3568/RK3399
Memory	4G DDR4 (8G optional)
SSD	32G EMMC (64G/128 optional)
Network	1×Ethernet controller
Wireless Network	WIFI
I/O Interface	1xHD-MI/VGA/LAN/Audio Out/Power DC/2x USB/1xCOM
Opetation System	Android 11
Image Format
LCD panel
Panel Size	21.5” LED
Brightness (cd/m²)	250 cd/m2
Contrast ratio	4000:01
Resolution	1920*1080
Interface Type	LVDS
View angle	89°/89°/89°/89° (R/L/U/D)
Touch panel
Touch Type	10 points projective Capacitive
Touch lifetime	>50000000times
Response time	<6ms
Luminousness	75-85%
Power Supply
External Power Supply	AC 100 – 240V
Power Input	DC 12V 3A
Power consumption	≤18W
Speaker	5W*2
Operating Environment
Temperature range	operating: 0 to 50°C, storage :-20 to 70°C
Relative humidity	5%~95% @ 40° C, non-condensing
Waterproof Grade	Industrial IP65 waterproof/anti-dust on panel
Package
Package Size

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