Description: Features: material, durable, not easy to break. Stable and durable enough for a long for time use. Applicable both on the land and in the water. Aquarium and external terra reptile for tank thermometer. The thermometer column is very sensitive, will for always change according to the temperature. It has color changing LCD screen. Different colors mean different temperature environment. The green means current temperature, blue means biased towards low temperature, Brown means biased towards high temperature. Please don'for t use it in an environment with a temperature above 50 degrees. Specifications: Product: Fish for Tank Thermometer Model: LCD Screen Color: Black Temperature Test Range: 15-35 Package Size: app.19cmx8cm/7.48inx3.15in Quantity: 1 Pc Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thermometer only, other accessories in pictures are not included. Package includes: 1 x LCD Thermometer