So you would like to record video covertly at home? This Calculator WiFi 4K Hidden Camera can help. It lets you remotely monitor your home or car from your phone. It is powered by a rechargeable battery that lasts up to 10 hours.
The camera has a 90-degree viewing angle. It supports memory cards up to 128GB. It has a motion detection range of 6 meters and night vision range of 8 meters.