Configuration of the push-buttons within 2 minutes with the Philips Hue app. Made in Germany: The push button is manufactured in Berlin in cooperation with Gira & Senic. Minimalist design: Philips Hue light switch in Gira E2 design can be integrated into all conventional System 55 switch frames. Never recharge: Thanks to energy harvesting technology (EnOcean), this Philips Hue switch is battery-free, wireless and never needs to be recharged.