Features:

Fashionable and elegant  appearance,specially water-proof design.

Strong cupula can make it stick to the aquarium case firmly.

Precise and convenient temperature measurement.

Digits on LCD display big and clear,easy to read.

Technical parameters:

Temperature measuring range: -50℃~70℃ (-58~15 ℉)

Accuracy: ±1℃ (±2 ℉)
Operation environment: 0℃~50℃

Power supply: Button Battery (DC1.5V)
Instruction:
1. Rotate the back cover and then install one LR44 Button cell.
Please ensure the polarity correct. When put into the battery, the
LCD will display immediately.
2. Close the battery cover tightly. Please ensure the sealed circle is
placed rightly and not damaged.
3. Please take down the cell if no use for a long time.
4. Inside the aquarium tank, choose a position where the
thermometer can be immersed completely,
and press the cupula (suction cup) firmly
against the glass to fix the thermometer.