?Package Includes? You get 4 thlevel aquarium thermometers, each with 1 LR44, 1.5 V button battery and 2 suction cups. Probe cable length: 1 meter. NOTE: Do not put thermometer in water, only the probe sensor is waterproof. ?Wide Application? Thlevel aquarium thermometer is suitable for aquariums, fish tanks, reptile boxes, incubators, refrigerators, cigar houses, etc. It can protect reptiles, fish and small animals from dangerous temperatures. ?Steps for Usage? First press the PWR button of the reptile thermometer; then put the sensor probe into the water; the attached suction cup can stick the LCD screen to the side of the aquarium. ?Easy to Read? You can easily read the temperature in the water through the LCD display of the aquarium digital thermometer. The temperature unit can be switched between °C and °F with the button. ?Measuring Range? The measuring range of fish tank thermometer is -50°C ~ +70°C / -58°F ~ 158°F, the accuracy is +/- 1 degree Celsius. Dimensions: 58×38×15mm. Power supply: LR44 cell battery (included).

Part Number: 166037-Parents. Brand Name: Thlevel. UNSPSC Code: 41112200. Special Features: Waterproof. Power Source Type: Battery Powered. Part Number: Aquarium thermometer. Number of Items: 4. Number of Batteries: 4 LR44 batteries required. Power Source: Battery Powered. Unit Count: 4 Count. Age Range (Description): Adult. Special Feature: Waterproof. Brand: Thlevel. Best Sellers Rank: See Top 100 in Pet Supplies. : B091TB341F. Manufacturer: Thlevel. Date First Available: February 24, 2022. Batteries: 4 LR44 batteries required. Package Dimensions: 6.18 x 4.96 x 1.22 inches; 3.84 Ounces.