Features:
        *  SPO2 and pulse rate brightly displayed on screen
        *  LCD display, low voltage indicator
        *  Audible and visual alarms for SPO2, pulse and low power
        *  16 segments pulse rate bar graph display
        *  SPO2 range = 70%-99% with accuracy = + 2%
        *  Automatic power off        
        *  Low power consumption - 100 hour battery life
        *  Includes 2 AAA batteries, lanyard, carrying case
        *  Instruction manual
        *  1 Year Manufacturer's warranty