Feature:1. HIGH ACCURACY: Electronic infrared thermometer, using high accuracy measuring chip, which can ensure accurate and reliable measurement results.2. MULTIPLE LANGUAGE: The thermometer supports different languages in 14 countries, and is barrier free for use in different countries, efficient and durable.3. UNIT SWITCHING: The thermometer head has ℉ and ℃ switching button, which can be switched as needed to greatly improve measurement efficiency.4. POWER SUPPLY: The temperature detector is powered by USB or battery (not included), convenient for outdoor use, no need to worry about power supply.5. APPLICABLE PLACES: Contact free high speed thermometer, convenient and fast, suitable for families, hospitals, clinics, schools or other large shopping malls.How to Use:Can be automatically detected at startup.Specification:Item Type: Infrared ThermometerMaterial: ABSBattery: 1 x 18650 Lithium Ion Battery, or 3 x 1.5V AA battery (battery not included)Power Supply: USB or batteryApplication: Temperature DetectionMeasuring Distance: Approx. 1-10cm / 0.4-3.9inMeasuring Range: 32.0-43.0℃ (89.6-109.4℉) Package List:1 x Thermometer1 x USB Cable1 x Wall Fixing Block1 x Screw