One display shows indoor and outdoor temperature.
Memory for highest and lowest temperature (2 key function: RESET, MAX/MIN)
℃ and ℉sliding switch transform at the back of the instrument.
Measuring range: -10℃/14℉~ 60℃/140℉ for inside ; -50℃/-58℉~70℃/158℉ for outside.
Accuracy: +/-1.0℃/1.8℉ within 0℃~50℃(32℉~122℉), +/-2.0℃/3.6℉ otherwise.
Extend 3m outdoor temperature sensor wire length.