Microprocessor Virtually Eliminates Nuisance Alarms Caused by Everyday Cooking Smoke, Steam, etc. Detection of Polyurethane Foam in both Slow Smoldering and Fast Flaming Fire. Immunity to High-Voltage Current Surges. No Batteries to Change. Maintenance-Free Battery Power Provides 10-Years of Safety Protection. Conforms to New UL Standard 217 8th Edition Requirements.

• Artificial intelligence used to classify smoke and fire profiles
• Detects both fast-flaming and slow-smoldering fires
• Conforms to UL standard 217 8th edition
• Lithium-free 10-year permanent power is safer and more eco-friendly
• Tamper resistant design provides a higher level of security
• Quick find alarm origination feature easily identifies originating alarm to sound
• 10-year product end of service life warning - sounds when it is time to replace detector
• 10-year limited warranty
• Silence/test button
• LED power status indicator

The USI Electric Hardwired Smoke and Fire Alarm uses patented Universal Smoke Sensing Technology to respond quickest to BOTH fast-flaming fires and slow smoldering fires to protect your family against deadly threats in the home. U.S.S.T. provides the benefits of both photoelectric and ionization alarms in 1 device. Perfect for new or replacement installations, the 120-Volt AC hardwired alarm is suitable for houses, apartments and mobile homes. This alarm is fully interconnectable with all USI and Universal 120-Volt alarms using existing wiring and mounting. Quick Find alarm origination identifies the first alarm to sound in an interconnected system and the single silence/test button temporarily quiets nonemergency alarms. Auto sensitivity calibration also provides superior nuisance alarm protection and creates consistency in alarm sensitivity. This alarm has additional automatic features including a self-diagnostics check and a sensitivity adjustment for changes in temperature or humidity. The USI Electric MI106S Hardwired 2-in-1 Universal Smoke Sensing Technology Smoke and Fire Smart Alarm comes with a 10-year Permanent Power tamper-proof sealed battery continues protection in the event of a power outage.

• 2-in-1 universal smoke sensing technology USST responds quickly to both fast-flaming and slow smoldering fires to protect your family against deadly threats in the home
• 120-Volt AC hardwired alarm with 10-year permanent power sealed backup battery is suitable for houses, apartments and mobile homes
• Mount the bracket to any standard wiring junction box and use the large mounting base to cover imperfections in drywall
• Fully interconnectable with all USI and universal 120-Volt battery drawer alarms using existing wiring and mounting
• 10-year limited warranty on both battery and alarm

The Universal Security Instruments hardwired MIC1509S 3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm will provide up to 10-years of continuous protection against 3 deadly threats within the home. Patented Universal Smoke Sensing Technology provides the benefits of both photoelectric and ionization alarms in 1 device to protect against fast flaming and slow smoldering fires. This alarm also features protection against the silent killer carbon monoxide, making it a 3-in-1 device. The ideal addition for new or replacement installations, this maintenance-free alarm is suitable for houses, apartments and mobile homes in every room. This alarm utilizes a sealed back-up battery (included) that will never have to be replaced throughout the life of the alarm, giving you a decade's worth of peace of mind even in the event of a power outage. Permanent power battery backup also saves money from battery replacements (up to $38.00 over the 10-year life of the alarm), eliminates annoying low battery chirps and helps the environment by reducing environmental waste from disposed batteries. This alarm features microprocessor intelligence to completely eliminate nuisance alarms, a single silence/test button to quiet a non-hazardous alarm and an end-of-service life warning that sounds when it's time to replace the alarm (approximately 10-years from activation).

• Lithium-free alkaline permanent power from Duracell duralock is safer and more eco-friendly
• Superior resistance to false alarms, no batteries to change, no battery chirps
• Quick find alarm origination feature easily identifies originating alarm to sound in an Interconnected system
• 10-year product end of service life warning - sounds when it is time to replace detector
• 10-year limited warranty
• Alarm conforms to UL217 and UL2034 standards, California state fire marshal approved and Federal Housing Authority (FHA) approved to exceed industry standards