Complete set – Philips Hue Perifo rail system with three pendant lightsThe modern rail system Perfio from the house of Philips Hue is supplied here as a basic set with all the necessary components for the start. In addition to two rails (1m and 0.5m in length), a power supply unit is included, which is installed between the two rails. In addition, there are three pendant lights, which can be positioned on the rail with a simple click. The rail system can be conveniently expanded with additional components and provides perfect lighting for the dining room or kitchen area, for example. The light itself can be conveniently dimmed and changed in 50,000 shades of white between warm white and daylight. – controllable via Bluetooth and the matching Hue app – dimmable via app or a matching Philips Hue dimmer switch (see accessories) – can be integrated into an existing Philips Hue smart home system (Hue Bridge required)- controllable with a compatible voice assistant, eg. Amazon Alexa- expandable with other components from the Philips Hue Perifo product line- compatible with ZigBee-based systems, such as Innogy, Bosch, Magenta (Telekom) and Busch-Jäger- smart light control option a: ZigBee integration via bridge and router, such as the Philips Hue Bridge (see accessories); this enables control locally or on the go via Hue app and the possibility of voice control via Amazon Alexa, Apple HomeKit (Siri) and Google Assistant.- smart lighting control option b: direct on-site control via Bluetooth with free Hue Bluetooth app. When using more than ten lamps within the Bluetooth control, the use of a bridge is recommended.