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Most Common Types
In selecting the best mini camera, you should be able to decide first on its type. The market is already saturated with cameras of all sorts and to make the right choice it should be able to answer your needs. To simplify, if you need a camera to film at night, it should have a night vision capability. If what you want is to secure your home, then the motion-activated option is the best choice. You should also need to know how the camera operates because this too will determine the type of camera you will be looking for. There are the types that save the cam footage in an internal memory card while there are others that send them to other devices. Here is where the likes of Wi-Fi spy cameras and USB cameras are categorized. To simplify the matter, here are the most common types of small spy cameras. This nugget of information can help you a lot to make the right choice. 
Motion Activated Camera This is the perfect camera for your home because it can record everything that is happening inside a room. When there is no activity, the cam will be idle which saves its battery life and memory storage.
The sensors will only be activated when there is motion in a room, so you do not have to watch useless materials when reviewing the captured video. There are two types of motion-activated mini cameras, one is with their internal memory storage, and the other is the one using other device’s memory storage. A camera with an SD card, records the footage on the card, therefore; you do not need a big memory capacity. For cameras with motion sensors, they do not need much memory for it will only record when there is somebody in the room it monitors.
WiFi Mini Camera Wireless hidden cams connect to other devices, and you can set the alarm to alert you every time the camera detects movement. There is also a mini camera that lets you live to stream the video to your smartphone or PC.
USB Mini Camera The best USB spy camerais equipped with an SD card as one of its integral parts and therefore can store footage. The memory cards also require small so expect these types of mini cameras not to be the tiniest in the pack. Instead, they are usually hidden inside other devices, so the size does not matter. These spy cameras have other features like providing HD footage and night vision. You may also want to check the USB spy camera instructions, in case you wanted to know more.
Peephole Camera These cameras come built into your door’s peephole so when you get a ring or someone is at the door you can see exactly whose there and decided accordingly whether to open the door or pretend your not there. These cameras come in many shapes and sizes some even offer the option to communicate back and forth with the people outside and some allowing you to use your smartphone to answer the door.
Nanny Camera These types of cameras are just like the mini camera and in the literal sense of the word they are mini cameras however they differ in the way that they are implemented. Usually, nanny cams come in two options the hidden ones which are not easy to spot and are put within picture frames and other types of home appliances and items and then there are the consensual ones which are larger or more kids friendly letting everyone know your watching.
Button Camera These cameras are more of a spying item than a casual mini camera, they are built extremely small to look like a button and fit within a button to allow you to spy on people and record without anyone finding out. Because of their smaller size sometimes video quality may suffer but more often than not they are just as powerful as regular cameras because they keep the recording technology within a box that is encased separated while the actual lens is usually at the top of a long wire.
Hidden Camera Clock Now this item is only listed here because of its popularity, it can double as a nanny cam or just a regular cam. It is a hidden camera and makes sure that its primary function looks like that of a clock and not an obvious camera. The recording quality is great on most of these clocks and they are popular because of their ease of use and practicality to put and point in private places, especially popular with those trying to catch a spouse cheating.
