Aquarium Thermometer Rechargeable Digital LED Display Fish Tank Thermometer HD The Best HD Aquarium Digital Thermometer For Your Needs Smart Temperature Monitoring Chip: High sensitivity and high accuracy, accurately display the real-time water temperature in the fish tank. Excellent 5s temperature refresh speed, quickly grasp the temperature change in the fish tank. Rechargeable: With charging cable,no need to replace the battery, saving you money, Very Convenient! Energy Saving: Built-in 3V energy-saving battery, low power consumption and long service life. One fully charged battery can be used up to 45 days. Wireless design: No messy wires, making your tank cleaner and safer and full of charm! Large HD LED Screen & Night Vision: Wide reading angle, high color saturation, no matter day or night, you can know the fish tank temperature whenever you want! Specification: Thermometer Size:2*2*0.4inch Display Method: HD LED (Night Vision Available) Temperature Range: 14-122°F Accuracy: ±0.9°F Temperature Measurement Interval: 5s Operation Mode: Touch Product Features: Smart Temperature Monitoring Chip High Accuracy & Sensitivity Rechargeable Wireless Touch Wake-Up Large HD LED Screen Night Vision Function Note: This thermometer cannot be used in water. You need to attach it to the outside wall of your fish tank. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store