Click or scroll to zoom Tap or pinch to zoom Kidde KN-COSM-IBA by Kidde Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $63.00 SKU Kidde-KN-COSM-IBA 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Kidde KN-COSM-IBA Carbon Monoxide & Smoke Detector, 120V Hardwired Talking w/Battery Backup (21006377) Provides protection from two hazards – fire and CO – in one unit.