The Jane Koos Platform is an accessory that has been specially designed to make it easier to install the Jane Koos infant car seat in the car. It is installed using ISOFIX points for optimum safety and speedy attachment and its anti-rotation system, height adjustable support leg ensures the base is sturdy and level when installed. Compatible with Jane Koos. ISOFIX compatible . Its new and unique fastening system using the Profix system lets you install and remove the Jane Koos infant car seat with just one movement and in a few seconds. Being easy and quick means less time in the rain when taking baby in and out of the car on those cold, windy, rainy days. Also on the Jane Koos Platform is a special barcode, known as a QR (quick response) code. When scanned with a smart phone, these codes will reveal extra information about the seat, including a video fitting guide.