Philips Hue Perifo 2x Spots, Gradient Tubes black; Smart controllable Philips Hue Perifo track lighting system for wall mounting - equipped with two LED spots and a Gradient Light Tube XL The complete Perifo system from Philips Hue is a track lighting system that does not require a fixed power connection and can instead be operated flexibly via any indoor socket. The scope of delivery includes two LED spots, an LED batten light with gradient technology, matching tracks, a connector and a power supply unit with plug and cables. The special feature of the Perifo track system is its modern control system. Whether via Bluetooth or ZigBee, via app or voice assistant, the integrated LEDs can be conveniently controlled and dimmed in terms of colour temperature or colour gradation. The Light Tube offers a particularly dynamic lighting experience thanks to the gradient technology, which enables the display of merging colours along the strip. - 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, e.g. Amazon Alexa - expandable with other components. 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 - intelligent lighting control Option a: ZigBee integration via bridge and router, such as the Philips Hue Bridge (see accessories); this enables control on site or on the move via the Hue app and the possibility of voice control via Amazon Alexa, Apple HomeKit (Siri) and Google Assistant. - Intelligent lighting control option b: Direct control on site via Bluetooth with free Hue Bluetooth app. The use of a bridge is recommended when using more than ten lamps within Bluetooth control color: black material: Metal, plastic