Large Lcd Fish Tank Thermometer, Stick-on Temperature Monitor For Aquariums &. Introducing the Mini Thermometer, a Must-have for Maintaining Ideal Conditions in Your Aquatic and Reptile Environments. Its Modern, Wireless Design and Intuitive Touch Screen, Complete with an LED Digital Display, Make Temperature Monitoring Effortless. Conveniently Attach It to the Exterior of Your Tank Without Any Cumbersome Wires or Probes. Suitable for Both Freshwater and Saltwater Settings, It Ensures Accurate Temperature Readings from 0℃ to 60℃, Protecting the Well-being of Your Fish, Lizards, or Tortoises. This Lightweight and Compact Device Operates on a Replaceable CR2032 Battery. Note: It is Not Waterproof and Should Remain Dry. Features: - Wireless Design: Easily Attaches to the Outside of the Tank; No Probes Needed. - Touch Screen Display: Equipped with an LED Digital Screen and a Fingerprint Button for Convenience. - Versatile Compatibility: Ideal for Both Freshwater and Saltwater Aquariums and Reptile Habitats. - User-Friendly: Quick Adhesive Setup with Clear Readings in Just 10 Minutes. - Temperature Range: Accurately Measures from 0℃ to 60℃ with ±0.1℃ Precision. - Compact Size: Weighs 30g with a 4.8cm Diameter. - Battery Powered: Runs on a Replaceable CR2032 Battery..