Function*WIFI version/only supports 2.4G wifi*4G version/ only support 4G SIM card, not support wifi*PIR Motion/Intelligent recognition of people and animals*IR Night vision/Get a good view at night*Rechargeable battery/rechargeable for long hours of work*IP66 waterproof/good operation in -20 and +50 environment*Support Micro SD card / store more data and content*Support multi-user view/share with your family*Support remote viewing/view anytime, anywhere*APP: CamHi or CamHi pro/Free APP upgrade and technical supportWorks with 4G sim card (option)You can very well install it in places without wifi signal and provide good signal supportWorks with 2.4G WIFI (option)Provides good signal reception, suitable for installation around the house120° Wide Viewing AngleWith a good shooting angle, you can view a wider picturePIR Motion AlarmIf the PIR Alarm function is enabled, the camera will send the Alarm information to the User's Mobile Phone when some invades the surveillance area.Solar-PowerdBuilt-in solar panel on top of the camera, when camera in the sunshine, it will generate power to batteries, so that the camera can always keep working.Two Way AudioBuilt in microphone and speaker,no matter how far away ,you can easily talk to the baby,child,family through the camera in 24/7 remotely.Even if you are out of your home,you can talk the delivery man how to deal with your package through the app.IP66 WaterproofWaterproof and moistureproof. Our surveillance system has an impressive 1080p full HD day time video quality.1080P Full HD Image & Bright Night Vision19201080P resolution ensures crystal clear image quality See everything in great detail. Sharper and clearer than those of 720p cameras.IR Night VisionWith exceptional 10m night vision, you can see clearly even in the dark. Day or night, outdoors or indoors, won't stop protecting you. You can also check