Digital Thermometer Aquarium Fish Tank Terrarium Thermometer

Operation: 

1.Fistly pull down the cover, you can change the ℃/℉ and battery. 

2.When you put the battery on, pleas wiggle the face cover. 

3.The back of the thermometer has two tape, you can stick it on your fish tank, please find a good position. 

Specications:

Temperature inside tank:-50℃～+70℃(-58℉～+158℉)

Temperature outside tank:-10℃～+50℃(+14℉～+122℉)

Power supply: 1.5V (AG13) x 1 (Not included)

Size: 78 x 42 x10 cm 

Package Included: 

1 x Digital Aquarium Thermometer