Display and control interface, Shenzhen HMI brand SAMKOON, products are divided into four series: EA, SA, SK, IPC; All products are 260 000 true color TFT LCD screen. Description: two hundred and sixty thousand colors, a communication port COM (RS232, RS422, RS485) and a USB download port (USB Device). Product Details: SA-4.3A main technical parameters Model EA-043A display area size of 4.3 "(length: width = 16: 9) Resolution 480 × 272 Brightness 400cd / m Contrast 400: 1 color 262,144 color backlight LED control panel 4 wire resistive touch panel with high precision communication port 1 X COM (RS232, RS422, RS485) USB download port USB Device USB Host U-Handicap no Ethernet port no SD card No memory 128M FLASH / 32M DDR2 CPU ARM9 200MHZ Power supply DC: 24V (± 15%), 6W power 3W FCC compatibility comply with FCC, Class A pressure test 1000V AC, 1 分钟 CE certified to EN55022 and EN55024 standard working environment temperature -10 ~ 65 ℃ Operating humidity 10 ~ 90% RH (non-condensing) Shock degrees 10-25Hz (XYZ direction 2G / 30 min) protection class IP65 (front panel) Case Material ABS + PC plastic Dimensions 138 × 86 × 39 (mm) installation hole size 132 × 80 ( mm) Weight Approx 0.2 Kg configuration software SamDraw4.0