Product DescriptionThe DSC PG9936 Wireless Smoke & Heat Detector offers advanced life-safety protection with encrypted PowerG wireless communication for seamless integration into modern alarm systems. It features photoelectric smoke sensing, fixed-temperature heat detection, a built-in 85 dB alarm sounder and LED indicators, and sends tamper, low-battery and fault signals to the control panel. Powered by three AAA batteries with around three years of typical life, it mounts easily on walls or ceilings and supports large-range wireless linking without repeaters. Ideal for residential or commercial installations, it delivers reliable early-warning fire detection in a compact, wireless form.