Technical specification: Drive Module: M100 Series: Basic Display Color: 65K color TFT HMI Size (inch) : 4.3 Display Scale: 16:9 Resolution: 480xRGBx272 Brightness: Typical brightness 300 nit; 64 level back light brightness adjustment using software Viewing Angle (L/R/U/D): 75/75/60/70 Memory Space (Flash): 128MB or 1 GB Input Power Voltage (V): 4.5-6 Power Consumption (W): 1.5 Interface: Serial Mode: Universal asynchronous receiver/transmitter (UART), 8N1 mode (1 start bit, 1 stop bit,8 data bits, no parity bit), baud rate:1200-115200bps. baud rate adjustment available by software setting. USB Interface: No Touch Panel: 4 line resistance touch panel LCD Key-board Interface: 4*4 Matrix Keyboard interface Video Interface: No Real-time Clock (RTC) (Backup battery): Support Gregorian calendar and lunar calendar RTC(2000-2099) Dimension Viewing Area Size: 95.0 (w)*53.9(h) mm Dimensions: 121.9 (w)*74.7(h) *14.0 (N/K)/16.0(T)(t) mm Net Weight: 130g Working Environment Working Temperature: -20-- +70 Storage Temperature: -30--+80 High Temperature: 60 degree @90% RH Command Set All modules are using one unified instruction set. Dimensions: 121.9 (w)*74.7(h) *14.0 (N/K)/16.0(T)(t) mm.