This infrared thermometer can help you get the temperature of the human body quickly without any contact.<Br/>features:<br />non-contact infrared measurement, safe to use.<Br />high definition display screen and high sensitive temperature probe.<Br />fast response and accurate measurement.<Br />℃/℉ temperature unit switchable.<Br />supports 6 languages voice broadcast.<Br />abnormal automatic alarm: flashing &#34;di di&#34; sound.<Br />wall-mounted design, saves effort, convenient to use.<Br/>specifications:<br />model: k3x<br />material: abs<br />display unit: ℃/℉<br />measuring distance: 10-100mm / 0.39-3.94In<br />measuring range: 32℃-43℃ (89.6℉-109.4℉)<Br />measuring time: &lt;1s<br />measuring accuracy: ±0.2℃<Br />standby time: about 1 week<br />operating environment: temperature: 16-35℃ (60.8℉-95℉)<Br /> humidity: &lt;&#61;80%<br />language: chinese, english, spanish, japanese, portuguese, italian<br />install method: nail hook, double-sided adhesive sticking, bracket fixing<br />power supply: usb cable/3 * aaa-batteries (not included)/18-650 lithium-battery (not included)<br />item size: 150 * 100 * 60mm / 5.9 * 3.94 * 2.36In<br />item weight: 200g / 7.05Ounces <br />package size: 150 * 100 * 65mm / 5.9 * 3.94 * 2.56In<br />package weight: 221g / 7.79Ounces<br/>usage:<br />after power on:<br />1.Press the first button on the left to turn on the machine, and long press to turn off the machine.<Br />2.Long press the first and third button to switch voice.<Br />3.Long press the m button, and then press the second or fourth button to adjust the volume.<Br />4.Click the m button to review the temperature memory data.<Br />5.Click the fourth button to switch temperature unit ℃/℉.<Br />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.<Br />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.<Br/>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.<Br/>package list:<br />1 * infrared thermometer<br />1 * usb cable<br />1 * user manual