Temperature range: -50 ℃ ~ +70 ℃
Accuracy: ± 1 ℃
Operating ambient temperature: -10 ℃ ~ +50 ℃
Resolution: 0.1 ℃
Power supply: DC 1.5 v (LR44 / AG13)
Open the battery cover and insert battery with (+) positivepole up,then screw up the voer.
The LCD will display the current room temerature.
Using the suction cup provided to attch the thermometer to the outside of the aquarium.and submerge the sensor into water in the aquarium.
Don't submerge the thermometer,only the sensor is waterproof!
To preserve battery life press the PWR button for three seconds to power off or remove the battery.To power on press the PWR button.
If LCD display H°C,mens temperature is higher than 70℃；if displaying L°C,mens temperatre is lower than -50℃