Giant Classroom Thermometer, Largest Working Thermometer Available for Class Display! 30 in Wall Mounted Thermometer Has 23In Tube Recessed Into the Sturdy Wooden Base, Temperatures Range from -40Degree to 50Degree C and -40 D
Range -30/60[degree]C and -20/140[degree]F, Accuracy +/- 1C or +/- 2F. Complete with three distinct arrows displays max, min and current temperatures. Unit is white plastic casing with color coded dual scales and reset knob for fast, multiple applications.