The Universal Security Instruments SS-2895 Battery-Operated Photoelectric Smoke and Fire Alarm responds quickly to slow-smoldering fires to protect your family against deadly threats in the home. This alarm is operated by a 9-volt battery (included) and is suitable for installation in houses, apartments, dormitory rooms and mobile homes. Fast and easy to install with no wiring required, the SS-2895 features a pull tab to quickly activate the battery and a Quick Draw battery drawer for convenient replacement. This alarm features a convenient silencer button to temporarily quiet a non-hazardous alarm and Smart Interconnect to connect up to 18 units. The red LED light flashes when smoke is detected and the green LED light indicates that the power is functioning. This smoke and fire alarm is UL Listed, California State Fire Marshal approved and Federal Housing Authority (FHA) approved to exceed industry standards. For maximum protection, install an alarm inside every bedroom, outside every sleeping area and on all levels of the dwelling. The Universal Security Instruments SS-2895 Battery-Operated Photoelectric Smoke and Fire Alarm comes with a 5 year limited warranty. Universal Security Instruments is a U.S. based manufacturer of high quality, easy-to-install home safety products. Founded in 1969, Universal Security Instruments has over 40 years of heritage in providing home safety products for families. With state-of-the-art manufacturing facilities, Universal Security Instruments continues to launch revolutionary new products and technologies with the mission of always working to keep families protected.