Product name: Fish tank thermometer Product size: 15 cm/ 5.91 inches Product color: As shown in the figure Product material: plastic Product features: High precision measurement: This aquarium thermometer is designed with electronic digital display and has a high precision temperature measurement function, which can accurately display the water temperature of the aquarium. Patch design: easy to install inside or outside the fish tank, occupy a small space, does not affect the viewing effect, convenient to observe the water temperature. Professional aquarium use: Designed specifically for aquariums, it can help you monitor the water temperature in the tank and maintain the growth environment of fish and aquatic plants. Easy to operate: Easy to understand the operation interface, easy to adjust and set the temperature unit, so that you can easily grasp the internal temperature of the aquarium. Multi-functional application: In addition to aquariums, it is also suitable for other occasions that need to monitor water temperature, such as swimming pools, spas, etc., and has a wide range of application value. 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