LED Number Aquarium Thermometer: Made of high-quality ABS material with an environmentally friendly painted finish for a sleek and durable design. Features a high-resolution LED display for clear and accurate temperature readings. Wireless Design: Equipped with a precision temperature sensor on the back, this thermometer operates without probes or cables in the water, ensuring a clean and clutter-free aquarium setup. Accurate Measurement: Built-in copper-nickel coated sensor provides precise temperature monitoring with 0.1C accuracy. Measures temperature range from 0C to 60C for reliable performance. Wide Application: Suitable for various water types including freshwater, saltwater, and seawater. Ideal for use in aquariums, turtle tanks, coral tanks, planted tanks, terrariums, and other pet habitats. Easy to Install: Comes with a self-adhesive backingsimply peel and stick to the outside of the aquarium or water tank. Do not submerge in water.