Description: Material: Glass Size: 10.5 * 2.5cm/4.13 * 0.98inch Color: White Feature: 1. Accurate temperature measurement: Using a sensitive thermometer, it can reflect the real-time temperature of the water body with small errors. 2. Waterproof design: Sealed structure, can be immersed in water for a long time, corrosion-resistant, and not easily damaged. 3. Clear reading: Equipped with a prominent ruler, it is easy to quickly read temperature values from the outside. 4. Easy to install: Supports adsorption, suspension, or built-in installation, suitable for various types of fish tanks. 5. Safe and reliable: Made of safe materials that do not affect water quality and the health of aquatic organisms. 1. Manual measurement may have an error of 1-2cm. Please understand, thank you. 2. Due to the difference between different monitors, the image may not reflect the actual color of the item. Package includes: 1/5/10 * fish tank thermometer