1, package included: 1pcs SA-121F human machine interface HMI touch screen new in box; 1pcs programming cable(Only offer it free when you ask for after order. Not ship it default. The communication cable is not included, if you need, please contact us and inquiry it) The software SAtool is free(we can send it by email if you can’t download it by yourself) The SA-12.1A screen was discontinued since April 1, 2017 and replaced by the new SA-121F model! 2, Performance specification SA-121F Key Technical Parameters Model SA-121F Display Size 12.1”(length : width=4:3) Resolution 800x 600 Brightness 450 cd/m2 Contrast 450 : 1 color 262, 144 color Backlight LED Control panel 4-wire high-precision electric resistance touch screen COM COM 1 (RS232, RS422, RS485) and COM2 (RS232, RS422, RS485) USB download port USB Device YES USB port USB Host None Ethernet port None SD card None Storage 128M FLASH + 128M DDR2 CPU 32-bit 600MHZ Supply power DC: 24V (±15%),15W Power consumption 8W FCC compatibility FCC, Class A Pressure-proof test 8kv CE certification EN55022 EN55024 Operation temperature -10~650 Operation humidity 10~90%RH( no condensation) Shockproof degree 10-25Hz( X Y Z dimension 2G/30 minutes) Protection Level IP65( front panel) Curst material Engineering plastic ABS + PC External size 340x 256x 54 (mm) Installed portiforium size 330x246(mm) weight About 2.26kg Configuration software SA tool