From Maxi Cosi, this car seat base features: Base features MaxiLock secure locking system with self-retracting one-click LATCH connectors for quick, easy and secure installation  Anti-rotation stability leg that limits back and forth movement for maximum head and neck protection Red-to-green tightness indicators provide visual confirmation of accurate installation, whether using vehicle belt or LATCH installation 3-position height adjustable for a customized fit to your vehicle Integrated belt lock-off for easy and secure vehicle belt installation Additional base for no more re-installations Compatible with Coral XP, Mico Max Plus, Mico Max 30 and Mico 30 infant car seats (car seats sold separately) Imported.