Features: _x000D_ The shell is made of quality plastic, eco-friendly, anti-aging and durable. _x000D_ Built-in sensor accurately detects the temperature of fish tank. _x000D_ High brightness screen is clear and easy to read. _x000D_ Easy to install to the wall of the fish tank. _x000D_ Small size and lightweight, easy to carry. _x000D_ _x000D_ _x000D_ Specification:_x000D_ _x000D_ Condition: 99.99% Brand _x000D_ Material: Plastic Shell, Electronic Components_x000D_ _x000D_ Color: Shown as Picture_x000D_ _x000D_ Power Supply: 1 * Button Cell(included) _x000D_ Measuring Range: -45C-80C_x000D_ Accuracy: 1 _x000D_ Size: approx. 7*1.5cm/2.76*0.59in _x000D_ Weight: approx. 15g/0.53oz_x000D_ _x000D_ _x000D_ _x000D_ Package List:_x000D_ 1 * Fish Tank Thermometer_x000D_ _x000D_ _x000D_ Note: _x000D_ 1. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard._x000D_ 2.Please allow 1~3cm error due to manual measurement. Thanks for your understanding. 1The shell is made of quality plastic, eco-friendly, anti-aging and durable 2Built-in sensor accurately detects the temperature of fish tank 3High brightness screen is clear and easy to read 4Easy to install to the wall of the fish tank 5Small size and lightweight, easy to carry.