1、HD LED Display: The aquarium temperature meter features an LED screen for clear temperature readings with wide viewing angles, vibrant colors, and energy efficient, eco friendly operation. 2、Cordless Touch Design: Designed without cords, providing a clean and safe environment for fish. Simply touch the button for temperature display, with the temperature meter entering sleep mode after 5 seconds. 3、Accuracy Temperature Display: The glass tank temperature meter reads temperatures ranging from 14℉ to 140℉ with accuracy up to 0.9℉. Its rapid 5 second refreshing rate allows for quick detection of temperature changes. 4、Long Battery Life: This tank temperature meter is suitable for various water types including freshwater, tap water, saltwater, and marine water, ensuring a comfortable environment for your beloved pets. 5、Easy Installation: Simply peel off the adhesive backing and stick the aquarium temperature meter below the water level outside the tank. The adhesive sensor detects water temperature for easy setup. Item Type: Fish Tank Digital Temperature Meter Material: ABS Included Battery: CR2032 Button Battery x 1 Battery Capacity: 200mAh High Low Temperature Alarm Range: (Default High Temperature 34℃, Low Temperature 15℃) Temperature Measurement Range: -10℃ to 60℃ (14℉ to 140℉) Unit: ℃ ℉ temperature switch display 1 x Temperature Meter