most these days have the ability to store online for some fee. My needs were unique because I had no easy way to get power outside the place I'm living so I needed both wifi and battery. But you put a memory card in it and can play back through an app without having to upload it. Provided you don't point it at the street or a high tragic sidewalk that will set off the motion detector 100 times a day, the battery lasts about 3 months and then you just unscrew it and plug it into a USB
Amazon product ASIN B0832SR3S9