Halo has turned the page on what a smoke alarm can do. Halo combines dedicated sensor technology to quickly detect both fast and slow-burning fires and carbon monoxide. If Halo senses a problem, a voice alert will instantly tell you what’s wrong, a ring of light illuminates, and you will get an alert on your smartphone. Oh, and don’t worry about getting out of bed for a dead battery; ours lasts for 10 years. Behind every smoke alarm, we build years of development, testing, and integration. That means an ever growing list of strong platform partners like Iris, SmartThings, and Alexa. Halo: Safety Reimagined.