Features:

• 【Easy to read numbers on Large Transparent LCD screen】 This aquarium thermometer offers real-time temperature readings with large numbers and max/min records on 3 inch LCD screen, let you know the situation of your fishes with just a glance.
• 【High Accuracy and Quick Refresh】Built in Swiss made smart temperature sensor, capetsma aquarium thermometer has high accuracy of ±0.9°F, making it ideal for measuring fluctuating readings like in a greenhouse; Up to 5S refresh speed always gives you the lastest changes of the environment.
• 【High & Low Records】Accurate hygrometer digital thermometer displays highest and lowest temperature in the last 24 hrs, you can know if the aquarium heater is working properly during night.
• 【Sleek Design】 No messy wires in fish tank, this compact temperature gauge keeps your tank clean and safe, protect fishes from Ingestion or electric shock. °F/°C Selector; Powered by 1 x LR1130 battery (included)
• 【No-hassle warranty】: Just drop us a message and let us know we can make it right. Your concern will be taken good care of within 24 hours. Any feedback and suggestion would be much appreciated.

Details:

This Mini Digital Aquarium Thermometer comes with modern appearance and compact design, easy-to-read clear LCD Screen delivers accurate temperature readings in your Terrarium, record the highest and lowest temp in last 24 hrs helps you know your water and adjust if needed. It is important for you to own this one to keep your pet fish healthy, happy and active. Operation: 1. We already inserted battery ,the LCD will display the current water temperature. If it is not operate right, just open the battery case and insert another battery and wait for a few seconds, it will work properly. 2.

Remove the paper, stick this device on to a transparent tinted background. 3. It is well installed. 4. If you want to switch °C / °F, press the less . 5. This fish tank thermometer will record the highest and lowest temp in last 24 hrs, it helps you know whether your aquarium heater is working properly at night. Specification: Product size: 6.5*3.4*1.0 inch Deviation: + - 1°C / + - 2°F Batteries: 2* LR1130 (Included) Package: 1 x Digital Thermometer 2 x Battery