Cardiac Science Child/Infant Electrode pads are compatible with all Powerheart G3 series AEDs (models 9300 and 9390.)
Reduced energy Defibrillation Pads are recommended for use on children younger than eight years of age and weighing less than 55 pounds.
These pads may be placed in either position on the chest to reduce confusion or can also be placed on the chest and back (anterior/posterior.)
Expiration date is approximately 18 months from date of manufacture and is clearly printed on front of package.