【Instructions for Use】First, press the PWR button on the aquarium thermometer; then insert the probe sensor into the water; the included suction cup can attach the LCD screen to the side of the aquarium.

【Easy to Read】You can easily read the water temperature via the LCD screen of the aquarium thermometer. The temperature scale can be switched between °C and °F with the button.

【Measurement Range】The measurement range of the aquarium thermometer is -50°C ~ +70°C / -58°F ~ 158°F, the accuracy is +/- 1 degree Celsius. Dimensions: 58×38×15mm. Power supply: LR44 battery (included).

【Wide Application】The Thlevel aquarium thermometer is suitable for aquariums, reptile cages, incubators, refrigerators, cigar humidors, etc. It can protect reptiles, fish, and small animals from dangerous temperatures.

【Package Includes】You will receive 2 Thlevel aquarium thermometers, each with 1 LR44, 1.5V button cell battery and 2 suction cups. Probe cable length: 1 meter. NOTE: Do not put the thermometer in water, only the probe sensor is waterproof.