The parameters of Allen - Bradley 2711P - K4M20 are as follows:
Display Size: 3.5 - inch
Resolution: 320×240 pixels, 16 - levels gray
Display Type: Grayscale TFT LCD
Input Type: Keypad
Input Voltage: 18 - 32 VDC (nominal 24 VDC)
Communication Interfaces: Ethernet, RS - 232, 2 USB ports
Memory: 256 MB RAM, 512 MB non - volatile memory (about 79 MB free user memory)
Power Consumption: Maximum 15 W
Operating Temperature: 0 - 55 °C
Keypad Function Keys: 8 function keys (F1 - F8)
Backlight: White LED, non - replaceable, at least 25,000 hours at 25 °C
Dimensions: 152×185×90 mm (6.0×7.28×3.54 in)