Ideal for use in aquariums, terrariums, indoor, outdoor, refrigerators, deep freezes and science projects, the thermometer has a range of -50℃～+70℃ (-58℉ ～ +158℉).

Specification:

Measurement accuracy: ±1°C.
Display resolution: 0.1°C.
Measuring Temperature Range: In(-10℃～+50℃ (+14℉ ～ +122℉); out ((-50℃～+70℃ (-58℉ ～ +158℉)
Power supply:1.5V (AG13) x1 (Included)
Size:65*59*18mm

Functions:

Indoor/outdoor temperature display
highest/lowest outdoor temperature alarm function
Temperature unit ℃/℉ changeable
Memorized MAX/MIN values of indoor/outdoor temperature
Frost point alarm: -1℃～+4℃(+30.2℉～+39.2℉)
LED alarm indicator light

How to Operate

1.Press [AL] can open the temperature alarm mode, when bell appears on the screen??temperature alarm opened??no bell, the temperature alarm mode closed.
2.Press the [AL] key for 2 seconds to enter the highest/ lowest temperature alarm setting state. When the value flashes, press [ADJ] to adjust the value, then press [ADJ] to ensure the settings (first set the highest temperature and then set the lowest temperature);
3. when the temperature alarm mode is turned on and no highest/lowest temperature setting operation, the default setting is frost point alarm -1℃～+4℃(+30.2℉～+39.2℉).

Note
1.As a multi-function thermometer, if used as a freezer thermometer, you need put the sensor in the freezer/fridge, then the 'OUT' reading is freezer temperature.
2.While testing outdoor temperature or freezer temperature, show LLL, pls wait for 10s, if problem continue, pls take out the probe and reinsert. If show HHH, pls take out the probe and reinsert.
3.If in the MIN condition, it display LLL, pls press MIN/MAX for 2s to clear data

Package included:

1 x Refrigerator Thermometer (With battery)
1 x User Manual