This wall thermometer is mounted on a plastic molded base with screen-printed markings and figures for long-lasting readability. The thermometer is filled with red/blue spirit (non-mercury) and displays a dual scale: -10°C to 50°C in 1°C increments and 20°F to 120°F in 2°F increments. The unit measures 2.4" wide and 15.75" long, sized for easy wall mounting in laboratories, classrooms, and storage areas where ambient temperature monitoring is needed.