wireless smoke detector

Specification: Power supply: AC 220V; AC230-240V ; DC9V battery
Working frequency: 315MHz/433MHz               
Alarm current: <25 mA                          
Static current: <20 uA                         
Alarm volume: >95db                            
Relative humidity: >85 %                       
Working temperature: -10~ 45                 
Size: 145x100x 42mm                            
N.W.: 160g