Easy reading of the outside temperature from the inside.
Maximum and minimum values with auto reset.
Easy to fix, demoutable for window cleaning.
Also for indoor use.
Measuring range outdoor: -25C to +70C
indoor: 0C to +40C
Precision outdoor: +/-1.5C
Battery 1 x LR44 1.5v
Size 89mm x 39mm x 14mm
Size of display 43mm x 39mm hight of digits 20mm & 9