Description

 Smoke Sensitivity:               0.**6 dB/m to 0.*4 dB/m    
    Power Supply:                    9V Carbon Zinc/Alkaline/Lithium Batttery 
    Battery Life:                    >*2months    
    Low battery life:                >*0days    
    Alarm indicator:                 continuously emitting red light and shounder         
    Alarm sound level:               >*5dB at *0 feet (3m)    
    Temperature:                     0degree - *0degree    
    Humidity:                        *0%**0%RH, no condensation or icing
    Dimensions (L x W x H):          Ø**7x*5 mm