infrared double curtain alarm sensor

Specification:
Working voltage: 12V battery                     
Frequency: 315MHz/433MHz               
Working temperature: -15 celsius degree ~ -55 celsius degree.       
Detecting rang: max 9meter (when presetting to identify direction);max 12meter without presetting to identifying direction)  .          
Static current: < 30HA                 
Alarm current: <20mA                   
Installation: 2 -2.4m (above the ground)
Anti-electromagnetism : >30 v/m        
Anti-white-light : >6500 LUX           
Size: 110*70*40mm               
N.W.: 130g       

It adapts intelligent high technology to identify human being related time and, space motion location direction so that it is go