| 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 OLED Passive 5.55mm H x 3.20mm W 116.00mm x 37.00mm x 9.80mm 85.00mm L x 18.60mm W Without Backlight 3 V ~ 5.3 V 0.60mm W x 0.65mm H Parallel/Serial -40°C ~ 80°C Yellow |