... Promotional 4.CE, FCC&RoHS passed Villa wireless video door phone WIRELESS VIDEO DOOR PHONE OP-D01Technical SpecificationsOutdoor Camera Image Sensor1/3 ... , Unlock the door by wireless control;4 ,Effective range in free field up to 300 meters;5, 1GB memory card, 12 ... intercom;8, 1GB memory card, take and store image and video automatically;9, Indoor monitor can call and intercom with each ...