Description1 Support wide dynamic 3D noise reduction image flipping infrared night vision and moving detection 2 It supports two way voice intercom alarm push PTZ control and mobile real time video recording 3 Maximum 64g TF memory card is supported Not Includes 4 18650 battery Not Includes 5 Hisilicon 1 2 7 2 megapixel CMOS sensor6 Support H 264 high profile encoding7 2 8mm HD fixed focus lens IR dual filter switching8 6 8m effective infrared distance9 Support dual stream output at the same time the highest resolution of main stream is 1920P 1080pSpecification Model DDV 202Type Wireless visual intercomDisplay APPConnection WIFICamera SurePower mode USB power supply 18650 lithium battery Not Includes Image resolution 1080PScope of application family villaPackage Includes 1 Wireless Visual Intercom Doorbell