Overall: 11.3" H x 7.7" W x 2.1" D
Overall Product Weight: 0.89lbs
When every second counts, you'll have your warnings spoken to you in a loud-volume voice: Fire, Fire!€ or Warning! Carbon Monoxide!€ Two-alarm system also announces Low Battery€ when batteries need changing. Also includes chirp signal, flashing LED and test/reset button. Uses three AA batteries (included).