The Lamp D2 not only supports control via app and voice control, but can also be operated directly via the touch bars on the side - there you can easily adjust color temperature (from warm white to cool white) and brightness and choose from 16 million colors. To switch on/off, all you need to do is briefly touch the lamp body, as this is switched off with an acceleration sensor. Various pre-programmed light scenes and timer functions are also available. This lamp D2 is Reddot Award 2019 winner. 16 Million Colors Dimmable and Adjustable Color Temperature On/Off with Double Tap Voice Control Compatible with all Major A Io T Platforms Flowing Color Mode Explore More with Yeelight App Game Sync with Razer Chroma™ RGB Shine with Rhyme with Music Sync Interactive Control with Touch Board Compatible with Apple Home Kit, Google Assistant, and Amazon Alexa Product Name: Yeelight LED Smart Lamp D2 Product No: YLCT01YL Color: White Material: Plastic Dimensions: ?140mm x 100mm Weight: 562g (618g w/ adapter)Luminous flux: 240lm Brightness range: 40lm~240lm Color temperature range: 1700K-6500K Color range: RGBW Nightlight mode: 0-2 lm Brightness adjustment method: Sliding adjustment Color temperature adjustment method: Sliding adjustment Service Life: 25. 000hrs Wireless Connection: Wi-Fi 802. 11b/g/n 2. 4 G Hz and Bluetooth 4. 2 BLE