First Alert Open Box First Alert PRC710V Slim Smoke & Carbon Monoxide Detector with Voice Location and Photoelectric Sensor •Keep your family safe with this talking 10-Year Battery smoke and carbon monoxide alarm; it's equipped with voice and location, so you are alerted of the danger and where it originates from across your house•Tells you whether the danger is... $30.99 Was: $60.99 Was: Add to Cart