Product Details The AD432 ADC® Adtemp ™ Mini Non Contact Infrared Thermometer is compact, lightweight, and accurately measures temperature in about one second. No skin contact is required, which reduces the risk of cross-contamination. The thermometer clips to it's retractable breakaway lanyard for easy access. It features LCD display with color-coded fever warning, °F/°C switchable display, audible beep when measurement is complete, 9-reading memory, and is powered by rechargeable lithium-ion battery that can take up to 1,000 measurements on a single charge, and is good for 300,000 measurements lifetime, micro USB cable included. Meets ASTM E1965-98 standards for accuracy. Comes with a Two-year warranty. Dimension are 3.5"and 1.6 oz.