About This digital refrigerator thermometer, freezer alarm,freezer thermometer, fridge thermometer ,extra sensor 1.5 meter ,indoor and outdoor alternate display high and low temperature alarm, sound alarm 60 seconds , when alarm push any key sound stop, in lcd letter still flash ( when temperature higher or lower setting temperature) main unit is attached to the refrigerator on the outside,the external sensor is affixed to the inside of the refrigerator through the refrigerator door. Alarm setting temperature is -40 °C (low)--+120°C(high),display temperature precision is 0.1 °C high precision thermometer setting alarm method: default temperature high temperature is 28 °C ,low temperature is 18° C Long press(set) key 3 seconds, letter (28) flash press (up) (down) key change to your want temperature , press ( set) key again, letter (18) flash, press( up) (down) key change to your want temperature ,then press (set) key setting ok, When the current temperature(outdoor sensor) is higher than setting high temperature or lower than setting low temperature in any case it will start alarm 60 seconds push any key stop alarm Strong magnet stick to the outside of the refrigerator(in order to easy see display and hear sound alarm ) extra sensor Jack insert main unit wire from door side put inside of fridge,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 Including one (AAA) battery long time no need change battery life over half one year, wall hook, sensor hook( before using remove double-side tape) C/F temperature change ,main unit put in extra sensor or not put in sensor all can use Overview Brand : VLEJEARI Special Feature : Alarm Color : white Age Range (Description) : Adult Included Components : Battery Outer Material : Metal Display Type : lcd Unit Count : 1.0 Count Power Source : Battery Powered Model Name : 2
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