Product name: Fish tank thermometer Product size: 10*2.5*1 cm/3.93*0.98*0.39 inches Product color: As shown in the figure Product material: plastic Product features: Temperature monitoring: Suitable for fish tanks and turtle tanks, the suction cup thermometer accurately monitors the water temperature to help you ensure that your pet's living environment is within the right temperature range. Accurate display: The thermometer design is accurate, can clearly display the water temperature, convenient for you to know the water temperature at any time, timely adjustment of heating or cooling equipment. Compact and portable: Small fat floating design, can easily float on the water, does not occupy the aquarium space, and easy to carry, you can move to the need to monitor the position at any time. High temperature resistance: High temperature resistance, even at higher temperatures will not affect its accuracy and function, to ensure the safety of your pet. Easy installation: The suction cup design can be easily fixed to any position in the fish tank or turtle tank, stable and reliable, easy to operate, easy to install and remove. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact mewe will give you some suggestion, but it is for you reference only. Shipment includes: 1 pcs Fish tank thermometer