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1.Wireless infrared motion chime/alarm            
2.high technology infrared sensor,can be used as door chime and alarm,3door chime melodies and 3 loud 80db alarm sounds for selection                                                          
3.low power consumption,auto shut-off function for alarm                                        
4.adjustable sensor head-360 degree level and 60degree vertical orientation adjustable sensor make it flexible to install and detect objects accurately within 6 meter distance        
5.detachable sensor mask-narrow detecting angle is provided when put it onto the sensor head 6.detecting range:7-10 meter,60degree            
7.low power consumption: 0.6mA                                  
8.battery operated:4*1.5V AA batteries or external adaptor:DC 6V 600mA                        
9.quiescent current:60 uA                                      
10.working current: Door chime:150mA, Alarm:220mA                                    
11.Low voltage reminds: the LED indicator keeps light when voltage supply at 4.0-4.8V.