What are the weight and height limits for this car seat?

This car seat is designed for children weighing 4-30 lb (1.8-14 kg) and measuring 30 inches (76 cm) or less in height. The American Academy of Pediatrics (AAP) and National Highway Traffic Safety Administration (NHTSA) recommend that children be rear-facing until age 2 or until they reach the maximum rear-facing height and weight rating for their seat. (Pages 4, 12, 24)