Description 0.5 Seconds Fast Measurement and High Accuracy Boriwat Wall Mount Thermometer can quickly measure your temperature in only 0.5 seconds within the range of 1.97 to 3.94 inches with an accuracy tolerance of 0.2 F.Fever Alert and LCD Display If the temperature is within 37.5 -43 degrees, the clinical thermometer will flash red and remind Tue Tue. And within the range of 32-37.4 flash green light and alarm Di. Stay safe at all times and get notifications quickly. Simple Switching Simply long press the button on the back of the thermometer to easily switch modes as needed. Installation method: This infrared forehead thermometer can be easily used in offices, factories, shops, restaurants, supermarkets and other home/public places without hand-holding. It can be hung on the wall firmly, or it can be fixed on the bracket with nail hooks or double-sided adhesive tape. Power and Customer Service This forehead thermometer can be powered by a USB cable (included) or a rechargeable lithium battery (not included). We offer a 30-day money back, 2-year warranty and think customer service. Brand: Acsergery Category: Infrared Thermometer Package includes: 1*therm gunNote: Hello, please pay attention to your delivery address when purchasing products. If your shipping information (e.g. name, street, house number, doorbell/box has no name, etc.) is incorrect, the order will not be delivered correctly.