Onelink Smart Smoke & Carbon Monoxide Alarm

Onelink Smart Smoke & Carbon Monoxide Alarm SMOKE PLUS CO DETECTION 2-in-1 smart smoke and carbon monoxide alarm alerts you to both types of danger in your home, with a photoelectric smoke sensor and electrochemical carbon monoxide sensor MOBILE PLUS VOICE ALERTS Alarm sends emergency notifications, via your phone, while voice alerts tell you the type and location of danger EASY BATTERY CHANGES Easy-access battery door, for simple battery changes; replaceable 5-year battery COMPATIBILITY Compatible with Apple HomeKit; can be used on both Apple and Android devices Brand New