+ Spec

.-System Information- 　Processor Intel Celeron J3455 Quad Core CPU 1.50 GHz 　System Memory DDR3L 1866 4GB RAM SO-DIMM .Storage 　Storage 32GB eMMC on board .Panel 　LCD Size 21.5" 　LCD Panel TFT LCD 　Display Type Full HD 　Resolution 1920x1080 　Pixel pitch 0.24795 (H) x 0.24795 (V) (mm) 　Luminance 250 cd/m² 　Contrast ratio 3000 　Viewing angle 178 (U), 178 (D), 178 (L), 178 ( R) 　Response time 30ms 　Backlight LED 　Touch Type Projective Capacitive 　Touch Light Transmission 85% .I/O 　External I/O Connector 1 x Power jack 1 x HDMI 2 x USB 3.0 Type A 1 x RJ45 1 x Headphone Jack 1 x Power button 1 x DB9 for RS-232, COM3 1 x DB9 for RS-485, COM1 1 x RJ45 for OOB function .Wireless Communication 　WLAN 802.11 a/b/g/n/ac 　Bluetooth BT 5.0 .Display 　Multiple Display LVDS + HDMI .Certifications 　Certification Information CE, FCC Class B, RED .Mechanical & Environmental 　Operating Temperature 0°C ~ 40°C 　Storage Temperature -20°C ~ 60°C 　Operating Humidity 40°C @ 95% Relative Humidity, Non-condensing 　Dimension (W x L x H) 535 x 329.31 x 56.6 mm 　Weight 8.7kg 　Power Requirement DC 12~24V Input 　Power Mode DC Jack .Software Support 　OS Information 2019 Windows 10(64 bit) Ubuntu 20.04 .Ordering Information 　Ordering Information SID-21W04-3411-A1R_SID-10W04-4G_32G-Win10-W/O OOB SID-21W04-3411-A2R_SID-10W04-4G_32G-Linux Ubuntu 20.04-W/O OOB