Bring human-centric lighting into your life with this Philips Smart BR30 color bulb. Create the ambience of your choice with 16 million colors as well as warm to cool white light. You can set schedules to turn lights on and off according to daily or weekly routines, control with your smartphone or your voice and have remote access to your lights even when you're away. Philips Smart lights connect to your existing Wi-Fi, no additional hardware is needed.Length: 9.5 cm/ 3.4 in.Width: 9.5 cm/ 3.4 in.Height: 12.9 cm/ 5.08 in.