fish tank thermometer high-precision mini external stickers dedicated led display patch for water temperature measurement turtle jar water-thermometer 鱼缸温度计高精度迷你外贴测水温专用LED显示器贴片乌龟缸水温表

1. Basic Functions:

Temperature display inside the fish tank

High and low temperature alerts (default: high temperature 34℃, low temperature 15℃)

℃/℉ Temperature switching display

Temperature measurement range: -1.0℃ ~ 60℃ (14℉ ~ 140℉)

Battery Usage: 3V (CR2022) ×1

II. Usage Instructions:

1. 1. Remove the battery separator, peel off the adhesive on the back Velcro, and attach it below the water level outside the aquarium (do not use it in water). Allow it to stand for 10 minutes before accurate temperature measurement can be taken.
2. 2. To check the water temperature in the aquarium, gently press the button to activate the temperature display. After approximately 10 seconds, it automatically enters an energy-saving sleep mode. Repeat the above procedure when checking the water temperature again.
3. 3.When the water temperature drops belowAt 15℃ (59℉), the blue LED light flashes for 10 seconds as a reminder; when the water temperature exceeds 34℃ (93℉), the blue LED light flashes for 10 seconds as a reminder; if the water temperature remains unchanged, it flashes for 2 seconds every 30 minutes, repeated 6 times before stopping the alert.
4. 4. When the thermometer runs out of power, you can remove it and open the battery compartment on the back to replace the battery. Then, attach the thermometer back to the fish tank and continue using it.