Feature: 1. [Digital Display] The digital display thermometer uses a remote sensor probe and a digital LCD display for clear, easy to read readings. 2. [Small Size] The digital thermometer is compact and easy to install on the fish tank, refrigerator, and easy for you to use. 3. [Practical Tool] The mini digital display thermometer will ensure that your pet's housing remains at the ideal temperature. 4. [ABS Material] The housing of the digital thermometer is made of ABS material, which is resistant to fall to ensure the core of the thermometer is not easy to break. 5. [Accurate Testing] The temperature probe of the mini digital thermometer has precise sensing and is very accurate. Specification: Item Type: Digital Display Thermometer Material: ABS Size: Approx. 4.8 x 2.8 x 1.5cm / 1.9 x 1.1 x 0.6in Color: Black Battery Type: 2 x AG13 button cell (built in battery) Temperature Measurement Range: -50℃-110℃ Temperature Measurement Error: ±1℃ Resolution: 0.1℃ Sensor Model: NTC (10K/3435) Operating Voltage: 1.5V Operating Current: MAXIMUM 4UA Operating Temperature: 0℃-50℃ Storage Temperature: -10℃-60℃. Package List: 1 x Digital Display Thermometer1 x Connecting Cable