Aquarium Digital Thermometer Fish Tank Electronic Thermometer With Suction Cup

100% brand new and high quality Display method: LCD display Measuring range: -50~70C Measurement error: 1C LCD diameter: 25mm Resolution: 0.1C Sensor model: NCT/1CK Use battery: button battery 1.5V Size:58*36*11MM Material:ABS Package included: 1 x thermometer Instructions for use: 1. Fix the display part outside the fish tank (the display cannot touch the water), and put the sensor probe into the water. 2. Press the power button to start displaying the temperature. To turn off the power, press and hold the power button for 3 seconds. 3. The display shows "HC", which means the measured temperature is higher than 70C, and the display shows "LC", which means the measured temperature is lower than -50C Note Please allow 2-3 cm difference due to manual measurement. Besides different computers display colors differently, the color of the actual item may vary slightly from the below images, thanks for your understanding(1 inch = 2.54 cm)