The Silver Cross Smart Stroll will ensure your little one is always comfortable and safe when out and about. The Smart Stroll is an innovative wireless air quality monitor and route tracker designed to increase parents' wellbeing. It tracks air quality in real-time, so you can be alerted to any environmental changes and take action to keep your little one safe. It also features a unique route tracker, so you can plan, save and share your adventures with ease.With Smart Stroll, you can rest assured that your little one is always comfortable even when you're on the go.