Display / Resolution: 4.0", 480×480 (square)

Color: 65K colors, 16-bit RGB

Brightness: 300 cd/m²

Viewing Angle (L/R/T/B): 80/80/80/80

Touch: Resistive (01R) / Capacitive (01C)

Backlight: LED, ON/OFF controllable, >20,000 hrs

Interface: RS232C / TTL

Baud Rate: 1200–921,600 bps (typical 115,200 bps)

Update Ports: uSD card, Serial port

Power Input: DC 5V / 12V

Power Consumption: Max <1.8 W, Sleep <0.1 W

RTC: Supported

Active Area (AA): 72.1 × 70.2 mm

Product Dimensions: 90.6 × 86.4 × 14.2 mm

Operating / Storage Temp: –20 to +70 °C / –30 to +80 °C

Other: Optional speaker support

This 4.0-inch 480×480 square display offers clear and vivid visuals with 65K colors (16-bit RGB). Its 300 cd/m² brightness and 80°/80°/80°/80° wide viewing angles ensure excellent readability from all directions. The resistive touch version (01R) supports reliable input even when wearing gloves, while the capacitive touch version (01C) delivers smooth and precise touch control. Additional features include RTC support, 0°/90°/180°/270° rotation, and LED backlight ON/OFF control. With RS232C/TTL communication interface supporting 1200–921,600 bps (typical 115,200 bps), it ensures flexible connectivity. The module offers low power consumption (max <1.8 W, sleep <0.1 W), operates reliably in harsh environments with –20 to +70 °C operating temperature, and supports a storage range of –30 to +80 °C. Its optional speaker function allows integration into applications requiring audio alerts or multimedia output.