SS-168 standalone smoke alarm smoke sensitivity: comply with No. UL217 standard patent number: # 01354594.9 Power: DC9V battery (stand-alone) Operating temperature: 4-50 degree gas interface temperature: 10% -90% of the alarm loudness:> 85db Battery Sound and light fires more than a year of sound and light alarm fire fire alarm is a sound and light installation in the field of sound and light alarm equipment 168 smoke alarm, when the fire scene and confirmed smoke alarm factory, installed in the field: lifetime by the fire alarm control center fire alarm controller starts, sending a strong signal of sound and light alarm, in order to achieve the purpose of reminding site personnel. Specifications: Content Technical parameters Working voltage DC24V Working current ≤80mA Alarm Volume> 90dB ≥1.5 second flash period Wall Installation Dimensions 161mm × 98mm × 50mm 168 smoke alarm, ultra-fire (certified), Enping smoke alarm provided by the Dongguan City, South City Fire Department equipment operators super safe. Dongguan Nan ultra fire equipment operators (www.jyfire.com) is Dongguan, Guangdong, fire fighting equipment leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Leader in the ultra-fire with the staff warmly welcome all inquiries negotiations to create ultra-fire a better future.