USI Electric MIC1509S Hardwired 3-in-1 Universal Smoke & Carbon Monoxide Alarm with 10-Year Sealed Battery Fillers Minimum Cabinet Frameless Opening (mm)

Minimum Cabinet Frameless Opening (mm) 80

dividers and mounting hardware

They're ideally thin

Brass stabilizers are designed to reduce resonance and provide for linear diaphragm movement

The cover is removable for easier device installation

USI Electric MIC1509S Hardwired 3-in-1 Universal Smoke & Carbon Monoxide Alarm with 10-Year Sealed Battery Fillers Minimum Cabinet Frameless Opening (mm)[shortdesc] Alarm Type Smoke, Carbon Monoxide & Gas Power Source Hardwired Sensor Photoelectric, Ionization & Electrochemical Interconnects Yes Battery 10 Year [ shortdesc] The USI Electric MIC1509S Hardwired 3 in 1 Universal Smoke Sensing & Carbon Monoxide Combination Alarm provides continuous protection against three deadly threats within the home. Newly Universal Smoke Sensing Technology offers the benefits of both photoelectric and ionization