... talk function,OEM wireless video door phone,color video doorbell,security video interphone,factory good price offer,with unlock/talk ... PHONE,COLOR VIDEO DOOR PHONE,VILLA VIDE DOOR PHPNE,SECURITY VIDEO INTERCOM SYSTEM,WIRELESS VIDEO DOORBELL,FACTORY OFFER,GOOD PRICE,NICE QUALITY ... 4*13.2*2.5CM(L*W*H)Camera Unit Specifications(Outdoor Unit):Camera TypeCMOS OV7725PowerInput:AC110V-240V,50/60Hz Output: ...