Features of thermometer: 1. Germany precision probes, accuracy ±0.2℃. 2. Just 1 second can measure out the body temperature. 3. Three color to infor the temperature: green - normal orange - slight fever red - high fever 4. Two model: body model (body temperature) ;Object model (water, milk, food themperature and so on). 5. Avoid touch skin, convenient measure baby's temperature. 6. Storage 32 set value. 7. 15 second automatic turn off. Use Steps : Step1: Put into battery (tips: Do not install wrong). Step2: From forehead 1-3cm ,them press the meassurment key, the screen will show the body temperature. Step3: The key "mode" can switch the body temperature and object temperature. Notes:* when you install the battery, make sure the mark "+/-" * Battery will not include, due to it can't be shipped, plz note it !