Wireless Audio Door Phone (LY-AWADP601J)
                                                                       
Wireless Audio Door Phone-Easy DIY Installation                                                
● 2.4G wireless digital transmission of Audio signal  
● Anti-oxidation, durable aluminum outdoor unit, surface mount installation    
● Working distance is 500m in open area 
● Support Max. 1pc Outdoor unit + 3 Indoor units
● Battery operated when power failure occurs and transfer to AC power supply when power comes