It is a compact thermometer that does not require batteries and simply connects to your cell phone for use.                                       Features.                   Made from quality materials, practical and durable.                   There is an LED screen that you can read clearly.                   C/F conversion can be done at the touch of a button and the thermometer can be used for different reading habits.                   The temperature can be measured in a very short time and without contact. Safe and healthy.                   Compared to conventional thermometers, it is thinner and only the size of a car key, which makes it easier to carry.                   With the thin sensor, the data is accurate.                                       Features.                  Color: White Model: Type-C Connector, iPhone Connector (Optional) Material: Plastic Measurement Range: 32°C ~ 42°C Accuracy: Body temperature mode ±0.2°C Measurement distance: 10 - 80mm Measurement time: 1 second Ambient conditions: 10°C ~ 35°C Humidity: ≤ 85%.                   Precision / Body temperature mode.                   In the range 32.0°C - 42.9°C: ±0.2°C Out of range 32.0°C - 42.9°C: ± 0.3°C Power supply: 5V DC USB input Product size: 43 * 35 * 14mm / 16.9 * 13.8 * 5.5in Product weight: 12.5g / 0.4oz Package Size: 60 * 45 * 30mm / 23.6 * 17.7 * 11.8in Package weight: 30g / 1.1oz Packing list.                Note: The data is manual measurement, please allow 1-91cm error, due to differences between light and screen, there will be some difference of color, the specific received in kind shall prevail.