Smart range. Festoon Smart comes with 12 heads, measuring 12m long this is ideal to add character to your outside space. Festoon Smart has built-in software that you can control remotely for an easier, efficient and personalised way of using your decking kit. No need for a hub or complex installations. Simply download the SaxbySmart app to configure the lights your way, directly from your smartphone or using your own voice on smart home voice recognition products, such as Amazon Echo or Google Home.