This pocket-sized tester gives instant feedback on damaging carbon monoxide levels. Traffic light LEDs instantly display smoking status and interactive LCD display shows CO ppm and CO blood percentage. Features patented SteriTouch® technology for the highest infection control. Includes: piCO+™ Monitor, Carrying case, Zippered Monitor Case, (2) AA Batteries, COdata+ Database Software CD with USB Cable, Posters, Intro Pack (Wipe, Flatpak™ D-piece, Flatpak™ Mouthpieces), 5 Year Warranty, Lifetime Telephone Support. 3" x 4 1/2" x 2".