A:AnswerThe normal A19 LIFX bulb only does RGBW. The LIFX+ bulb also does Infrared for night vision on security cameras or infant monitors. The plus bulbs have the option to turn off the light and turn on infrared light that is invisible to people and works amazingly well in places like nursery’s or places where your security system may not see well at night.
A:AnswerYes--it works directly with Alexa without recourse to either a software or hardware bridge. Name it whatever you like--but make it something Alexa can understand clearly. She's heard plenty of swear words because she can't seem to recognize the name of one light in particular!