Photo resolution
Before you buy a spy camera, you have to make sure it is of good quality. Above all, it must be technically capable of providing images that have beautiful resolutions.
Defining photo resolution
The image captured by the surveillance camera or the mini wifi spy camera is a digital photo. It is made up of small colored squares called pixels. The photo resolution must be calculated by the number of pixels per image. The higher the pixel density, the higher the quality the photo. And therefore, the better wifi spy camera. All the details of the captured images are clearly visible on the screen.
Current photo resolution
The surveillance camera and everything camera smoke detector generally display the following formats: the 720p or HD Ready (1280 x 720 pixels or about 1 mega pixel) and the SXGA (1280 x 1024 pixels or 1.3 mega pixels). These two formats are the best known. Faces captured up to more than 5 meters are perfectly identifiable.
Quality photo resolution
For the user of motion detector spy camera, high-end surveillance cameras, mini camera, it needs as photo resolution the 1080p or full HD (1920 x 1080 or 2 megapixels). With this format, small objects are identifiable. The top 3-megapixel (2048 x 1536 pixel) and 5-megapixel HD (2560 x 2048 pixel) resolution is the best in terms of fidelity. However, the quality of the image will depend mainly on the quality of the connection if the user uses a smartphone to which is connected in wifi his camera spy hd.