Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. Automatically turns on for fast, easy spot-checks * Trusted by clinicians worldwide * A new turn-off mechanism allows two AAA batteries to provide approximately 2500 spot-checks or 21 hours of continuous operation * No additional sensors needed * Enclosed spring * Smaller; wider viewing angle * Easy battery access * 2 Year Warranty * Includes carry case *