Meet the Philips Hue Bridge: a smart device that works with HomeKit, allowing you to control your lights with Siri. It turns your existing Hue lights into HomeKit compatible lights. The bridge lets you control your lights remotely or link them up to the web.
You can set timers and alarms, dim your lights, sync them with music & movies, and a whole lot more. The product is available for under $60 at this time.