Elegant transparent crystal shell design with a 3D perspective effect. High-sensitivity electronic sensor with precise chip for accurate temperature readings. Compact size and for easy installation. Strong adhesive sticker on the back for easy application on the outside of the aquarium glass. Ideal for use as a human thermometer, aquarium thermometer, and indoor/outdoor thermometer. Experience the perfect blend of style and functionality with our Fish Tank Thermometer. Its transparent crystal shell not only enhances the aesthetic of your aquarium but also houses a high-sensitivity electronic sensor that delivers precise temperature readings. The compact design ensures easy installation, while the strong adhesive sticker allows for effortless application on the aquarium glass. This versatile thermometer is suitable for various uses, making it an essential tool for maintaining optimal conditions in your environment. Color: As Shown Material: plastic Package Contents: 2x fish tank thermometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.