【High Sensitivity】: Accurate chip, highly sensitive electronic sensors to measure temperature, accuracy up to 0.1 degree. 【LCD display】: The high-brightness LCD display is clear and easy to read. The built-in sensor accurately detects the temperature of the aquarium. 【Easy to Install】: Easy to install on the wall of the aquarium. The product is attached to the outside of the aquarium glass, not in the water, otherwise the LCD screen will be damaged. 【Two Side Stickers】: Exquisite small stickers, two sides, convenient and simple to use. 【Lightweight】: Small in size and lightweight for convenient carrying. High transparent crystal glass shell, fashion and super 3D perspective effect.