The Safety 1st OnBoard™ 35 with SecureTech™ Infant Car Seat features the SecureTech™ installation system with self-retracting one-click LATCH connectors for quick and secure installation. Visual indicators on the base turn from red to green as you tighten the LATCH in your vehicle, showing you when your belt has tension. The base height is also adjustable to get the right fit in your car.