Condition: 100% Brand New_x000D_ Item Type: Aquarium Thermometer_x000D_ Material: ABS_x000D_ Color: As shown in the picture_x000D_ Size: Approx.7x1.5cm/2.8x0.6in_x000D_ Measurement Range: -45-80_x000D_ Measurement Accuracy: 1%_x000D_ Battery: 1 x LR1130 battery(Included)_x000D_ Battery Life: One year_x000D_ Use Environment: Fish tank glass_x000D_ Weight: Approx.15g/0.5oz 1High transparent glass shell, fashion and super 3D perspective effect! 2Precise chip, High sensitive electronic sensors to measure temperature, accuracy up to 1%. 3Multi-purpose thermometer can be used as a body thermometer, aquarium thermometer, indoor and outdoor thermometer and so on. 4Exquisite small, two sides' adhesive, convenient and simple to use! 5Suitable for different water types such as fresh water, tap water, salty water, marine water. 6Large LCD display screen, easy to see the data, and it displays on transparent screen, will not block your view.Cannot be thrown into the water, stick on the fish tank._x000D_ Before use, gently pull the insulated battery and the temperature indicator will come out._x000D_ The temperature difference between the aquarium wall and the fish tank is about one degree, but it does not affect the temperature measurement effect.1 x Aquarium Thermometer