3.5'' Wireless Digital Video Door Phone (LY-AWVDP259)
                                                                       
● 250m Transmission Distance in open area                                                    
● Outdoor Units with Battery (Max. 180 days), Touch keypad Indoor Units       
● Call, Intercom, Unlock, Monitoring                                                       
● Taking photo automatically, Built-in memory for storing 100pcs photo         
● IR LEDs for Night vision          
● Support Max. 1 Outdoor Units + 3 Indoor Units