| 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 STN - Super-Twisted Nematic Transmissive 5.55mm H x 3.20mm W 116.00mm x 37.00mm x 15.60mm 83.00mm L x 18.60mm W LED - Blue 4.5 V ~ 5.5 V 0.60mm W x 0.65mm H Parallel -20°C ~ 70°C Blue |