This aquarium thermometers provides precise ±0.1℃ accuracy with external attachment design, eliminating submersion needs for easy water temperature in aquariums. Featuring a high brightness LED display, a wide temperature ranges from 10°C to 60°C, it ensures clear readings and easy installation on fishtank exteriors. Ideal for aquarium enthusiasts and fish keeper, caters to those maintaining water pet by offering great temperature control for species in homes setups. Perfect for daily use in fishtanks, monitors water condition consistently to environments for water fish during routine care. Package includes: 1PC Aquarium thermometers