DescriptionThis temperature meter is suitable for use in different types of water tanks, including fresh water, tap water, salt water, and sea water. It helps maintain a stable and safe environment for your aquatic pets, while preventing temperature-related health issues.Features-Color:White-Material:ABS-Size:4.30X4.30X1.20cm/1.69X1.69X0.47in-Measuring range: 0-60.-Note: The button battery is included.- The thermometer provides real-time and accurate temperature readings for your peace of mind.- Suitable for different types of water tanks including fresh water, tap water, saltwater, and seawater.- External temperature sensor probe is made of copper-plated nickel for accurate temperature sensing and updates every 5 seconds to keep your aquatic pets safe.- The fish tank thermometer is an accurate and reliable way to measure the temperature of your aquarium.- Smart temperature gauge lets you create the most comfortable temperature environment for your aquatic pets.