| Number of Characters Display Format Character Format Display Type Display Mode Character Size Outline L x W x H Viewing Area Backlight Voltage - Supply Dot Size Interface Operating Temperature | 40 20 x 2 5 x 8 Dots FSTN - Film Super-Twisted Nematic Transflective 5.55mm H x 2.45mm W 75.70mm x 33.10mm x 6.80mm 61.00mm L x 15.10mm W LED - White 2.7 V ~ 3.5 V 0.45mm W x 0.65mm H I²C -20°C ~ 70°C Black |