US$0.34
                                            2,000-9,999 Pieces
                                         
                                                                            
                                 
                             
                     
                
                            
                    
                        
Basic Info.
                    
                    
                        
                                                            
                                                            
                                                            
                                    Certification
                                    CE, FCC, RoHS
                                 
                                                            
                                                            
                                    Working Principle
                                    Electromagnetic
                                 
                                                            
                                    Transmission Mode
                                    Individual
                                 
                                                            
                                    Alarm Volume (within 1m)
                                    ≥90dB
                                 
                                                            
                                    Receive Frequency
                                    Low Frequency
                                 
                                                            
                                                            
                                                            
                                                            
                                                            
                                    Transport Package
                                    Blister, Clamshell
                                 
                                                            
                                                            
                                                            
                                                            
                                    Production Capacity
                                    1, 000, 000PCS / Month
                                 
                                                     
                     
                 
         
    Product Description
                            My factory is a very big  factory to produce this door and window alarm.  
  we make these item near 30 years.  
  Quantity big and cheap.
Sold to almost every contry in the world.
4.5V
3 PCS LR44 BUTTON CELL BATTERY
95 dB      
               | YL-323 | YL-323A | YL-323B | YL-333 | 
           | NORMAL | SHAP SIZE | alarm+dingdog | AAA battery | 
       
Door and window alarm  
    YL-323   YL-323A   YL-323B
MAGNETIC CONTROLED ALARM  
BATTERY:   3 pcs AG13 or LR44  button battery  
Battery life :1 hours  alarm time and 1 year stand-by   
Sound level :  95 dB  (50cm)
No screw . only by adhensive sticks. To assembly the alarm.
Door and window alarm
MAGNETIC CONTROLED ALARM  
BATTERY:   3 pcs AG13 or LR44  button battery  
Battery life :1 hours  alarm time and 1 year stand-by   
Sound level :  95 dB  (50cm)
No screw . only by adhensive sticks. To assembly the alarm.