X-Sense SC07-W Wireless Interconnected Smoke/CO Alarm

X-Sense SC07-W wireless interconnected smoke and carbon monoxide alarm with 10-year sealed battery. 2-in-1 protections of smoke and CO alarms with photoelectric smoke sensor and electrochemical CO sensor. The LCD displays the present concentration level of carbon monoxide measured in ppm, so you can instantly know whether there are any dangerous CO leaks in your room.