This Infrared Thermometer can help you get the temperature of the human body quickly without any contact. Features: Non-contact infrared measurement, safe to use. High definition display screen and high sensitive temperature probe. Fast response and accurate measurement. / temperature unit switchable. Supports 11 languages voice broadcast. Abnormal automatic alarm: flashing "Di Di" sound. Wall-Mounted design, saves effort, convenient to use. Specifications: Model: K3X Material: ABS Display unit: / Measuring distance: 10-100mm / 0.39-3.94in Measuring range: 32-43 (89.6-109.4) Measuring time: <1s Measuring accuracy: ±0.2 Standby time: about 1 week Operating environment: temperature: 16-35 (60.8-95) humidity: <=80% Language: Chinese, Arabic, German, Russian, French, Korean,Portuguese, Japanese, Spanish, Italian, English Install method: nail hook, double-sided adhesive sticking, bracket fixing Power supply: USB cable/3 * AAA-batteries (not included)/18-650 lithium-battery(not included) Item size: 150 * 100 * 60mm / 5.9 * 3.94 * 2.36in Item weight: 200g / 7.05ounces Package size: 150 * 100 * 65mm / 5.9 * 3.94 * 2.56in Package weight: 221g / 7.79ounces Usage: After Power on: 1.Press the first button on the left to turn on the machine, and long press to turn off the machine. 2.Long press the first and third button to switch voice. 3.Long press the M button, and then press the second or fourth button to adjust the volume. 4.Click the M button to review the temperature memory data. 5.Click the fourth button to switch temperature unit /. 6.Long press the third and fourth button at the same time to display F1, and then press the second or fourth button to adjust the temperature compensation. 7.The default is didi sound when Power on, and the order of switching voice is Chinese, English, Spanish, Japanese, Portuguese and Italian in turn. Note: Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Package List: 1 * Infrared Thermometer 1 * USB Cable 1 * User Manual