Philips Hue White & Color A19 Bluetooth Smart LED Bulb is a single bulb that can be used indoors. It has a color temperature range of 2000-6500K and a brightness of 800 lumens. The bulb is dimmable and consumes 9.5 watts of power. It is compatible with Amazon Alexa and uses ZigBee protocol. The bulb is Energy Star compliant and has a screw connector. It belongs to the Hue product line and has model number 9290022266.