2 Pack zz20 Digital Fridge Thermometer with Extra Sensor, Hygrometer - Max/Min Temp & Humidity, Black

2 Pack zz20 Digital Fridge Thermometer with Extra Sensor, Hygrometer - Max/Min Temp & Humidity, Black

digital thermometer hygrometer max and min remember have one extra sensor only test temperature (outdoor sensor) indoor hygrometer refrigerator thermometer freezer thermometer fridge thermometer extra sensor 1.5 meter before 24 hours remember before all-time remember Strong magnet stick to the outside of the refrigerator(in order to easy see display) extra sensor(only test temperature) Jack insert main unit wire from door side put inside of fridge,humidity display only indoor (main unit inside sensor)folding bracket using on desk or living room,hang wall holes and hooks using special need like reptile tank thermometer ,aquarium thermometer,shower room and so on. temperature measuring range -40 °C (low)--+120°C(high), humidity measuring range 1%-99%, 1%-40% Dry display ,41%-70% good display, 71%-99% wet display, display temperature precision is 0.1 °C humidity precision 1%, temperature measuring range -40 °C (low)--+120°C(high), humidity measuring range 1%-99%, 1%-40% Dry display ,41%-70% good display, 71%-99% wet display, display temperature precision is 0.1 °C humidity precision 1%, C/F temperature change ,main unit put in extra sensor or not put in sensor all can use digital refrigerator thermometer digital freezer thermometer fridge thermometer indoor thermometer hygrometer max and min remember have one wire extra sensor indoor and outdoor put in extra sensor only display outdoor sensor temperature when not put in extra sensor still can use in living room and warehouse garden wine cellar and so on When push (all time) display before all time high and low, when push(24H) Key display before 24 hours high and low When display 24H push (CLR) key will clean before 24H remember, when display all-time push(CLR) Key will clean before all-time remember,