The Evenflo® SymphonyTM DLX All-In-One car seat offers parents superior e3 Side ImpactTM protection to keep their child safe alongside features that help make installation as easy as possible. This All-In-One seat accommodates children ranging from 2.3 kg - 49.9 kg (5 lbs. -110 lbs.) with the most innovation and value on the market. The SymphonyTM DLX provides exclusive safety features like SureLATCH® technology; you simply click, click, and push for a super-fast and super-snug installation.