Connected home player Roost lands $5.5 million

California-based startup, Roost, which specializes in smart-home tech, landed $5.5 million in Series A funding from RPM Ventures and a subsidiary of USAA. Roost transforms existing home smoke and carbon monoxide alarms into smart alarms using the Roost Smart Battery and allows homeowners to receive notifications on their smartphones re. their smoke alarms. Bottom Line: Get it for $34.99.