The MiniMax Thermometer is a 6.5" Solid Brass Case Remote Reading Dual-Scale Outdoor Electronic Thermometer with High and Low Temperature Memory. Current outside air temperature is indicated when switch is centered. Movement of the switch left or right shows the highest or lowest temperature since last reset. Complete with outside temperature sensor, 60'cable, 6.5" solid brass dial and AC adapter. Accuracy: +/- 1F.