Features: Ensures better water health with this high precise aquarium thermometers, featuring advanced sensors for accurate water temperature monitoring to prevent harmful fluctuation in your fishtank. Equipped with a large LCD display and easy installation design, this thermometers deliver instantly readability even in low light condition while adapting to freshwater/saltwater environment. Great for busy professional and novice aquarists seeking great temperature tracking without complex setup of home aquarium or fishtanks habitats. Perfectly monitors for fishtanks, marine ecosystem, or decorative water features 24 hour to maintain stable condition for sensitive species like bettas and gold fish. Its simple design ensures corrosions resistant construction withstands longlasting use, making it indispensable for responsible water pet care. Specifications: Component: Plastic Product Size: Approx. 7x1.4x2cm/2.75x0.55x0.78inch Package Includes: 2PCS Aquarium thermometers note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.