https://www.amazon.com/Kidde-Batt…00PC5S0P
#1 Best Seller in Gas Detectors and Alarms on Amazon (4.5 Stars — 1,103 Reviews)
Smart 2-in-1 Voice Alarm – Voice announces "Fire!" or "Warning! Carbon Monoxide"
Smart Hush – Nuisance alarms are silenced by pressing the hush button.
Battery Safeguard with Front Load Battery Door – Quick and easy battery replacement.
Test/Reset Button, LEDs, and Low Battery Warning
Meets Underwriters Laboratories (UL) UL2034 and UL217 compliance.