Mounted Infrared Forehead The product is shipped based on the color or size of the main image of the product page. Non-contact MeasuringNon-contact infrared technology reads from forehead with no physical contact, prevents cross-infection between multiple peoples.The measurement range is 3-5cm. RAPID INSTANT READING- Forehead thermometer adult non contact temperature readings. 1000 reading memory storage. for workplace or school screenings. Infrared Probe : Our Forehead is adopting the latest infrared scanning technology, and hold it 1-3 CM away and press the purple to take the reading. the power is low, low power symbol will appear on the display, prompting to replace (2x AAA batteries Included )