LED number aquarium thermometer: aquarium thermometer is made of high quality ABS and the appearance is painted with environmental protection, which is exquisite and beautiful. The aquarium thermometer also has a high-resolution LED display for clear readings. Wireless design: aquarium thermometer uses a wireless design with an accurate temperature sensor on the back, without probes and messy cables in the water. Accurate measurement: aquarium thermometer has a built-in copper-nickel coated temperature sensor, which can accurately measure temperature changes to 0.1. The temperature measurement range is large and can measure the water temperature from 0-60C. Wide application: aquarium thermometer is suitable for various types of water, such as freshwater, tap water, salt water, sea water, etc. Digital aquarium thermometer can monitor the life temperature of aquariums, turtle tanks, coral pools, plant pools, terrariums and other pet pools. Easy to install: aquarium thermometer has a self-adhesive on the back, just peel and stick to the outside of the aquarium or water tank. Note: do not put in water!