Features 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. Specification Item Type: Infrared Thermometer Material: ABS Battery: 1 x 18650 Lithium Ion Battery, or 3 x 1.5V AA battery (battery not included) Power Supply: USB or battery Application: Temperature Detection Measuring Distance: Approx. 1-10cm / 0.4-3.9in Measuring Range: 32.0-43.0℃ (89.6-109.4℉) Package List 1 x Thermometer 1 x USB Cable 1 x Wall Fixing Block 1 x Screw