I was confused because there were both excellent and bad reviews for the night vision. I took a chance. The night vision is EXCELLENT. The people who placed bad reviews probably didn't turn on the IR lights (option in the app). With the IR option set to on, this camera basically sees in the dark. Plus it uses non-luminance IR lights (unlike many inferior camera) so there is NO tell-tale sign that the camera is on. Also, all status lights (e.g. on/off, mode) on the camera can also be turned off in the app, for total stealth.The camera also has its own hotspot, so you don't need WiFi to watch it, although you need to be very close if you are not using WiFi. Bottom line, you can connect your phone and watch regardless of WiFi coverage. If you phone has a hotspot or the camera is in an area that has WiFi, the camera can connect to that for broadcast to the Internet and remote watching from anywhere.People who complain about battery life didn't read the description -- seller says "about an hour." I got over an hour but frankly this camera is designed to be connected to a battery or to plugged in to a standard phone charger. Unlike some other cameras, it works while connected to power, so if you plug it into the wall, the camera is 24/7.Finally, as a security cam, the included app has an optional "four camera" view, meaning that you can watch four cameras at once live. Especially on an iPad or other tablet or PC, this is a great way to monitor security.As many have said, tech support is phenomenal. Quick response to a silly question I had. Plus sales support was great when I ordered more. This seems to be a solid company and not some fly-by-night.An amazing amount of technology for the price. Highly recommended!