The device features a circular design with several physical controls, and is outfitted with a green ring light. (techtimes.com)
The blue LED ring light around the doorbell button will light up and show the status of how charged up it is. (howtogeek.com)
But it's a tall cylinder, made of aluminum and even has the blue ring light at the top which lights up when Alexa is listening or speaking to you. (androidheadlines.com)