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The Universal Security Instruments 2417 Photoelectric Smoke Alarm and Strobe Kit assists in alerting the hearing impaired of the dangers of smoke and fire with a bright signal strobe light. The utilization of Photoelectric Technology allows for increased efficiency in detecting slow smoldering fires. Perfect for new or replacement installations, this maintenance-free alarm is suitable for houses, apartments, dormitories and manufactured housing. The sealed battery (included) will never have to be replaced throughout the life of the alarm, giving you a decade's worth in peace of mind even in the event of a power outage. This detector features smart alarm technology to assist in completely eliminating nuisance alarms, a single silence/test button to quiet a non-hazardous alarm and an end-of-service life warning. Two tamper resistant locking features have been included and will prevent any unauthorized removal of alarm and battery. Drift Compensation allows alarm to auto adjust sensitivity if the photoelectric chamber becomes dusty or dirty over time.
The perfect replacement for existing Universal Security Instruments Alarms, this unit features a large mounting base to cover imperfections in drywall and the option to replace retrofitting applications. Automatic temperature and humidity compensation that continuously adjust to variations in environmental conditions further reduce the likelihood of nuisance alarms. Featuring a swift and near effortless installation process, this USI alarm is perfect for new or replacement installations. This alarm exceeds industry standards by meeting new laws and legislation. The Universal Security Instruments 2417 Photoelectric Smoke Alarm and Strobe Kit is listed to UL Standard UL 217 and is also California State Fire Marshal approved. The included strobe meets UL 1971.