There are a lot; I don't know what type you want, so you can Google wireless spy cameras to get the shopping details. Although wireless spy cameras are only good if they have the built-in memory card thing because they are horribly bad at transmitting direct video singles.
There are many applications for wireless spy cameras. You can set them to stay up when you are not home. You can set them to move around. You can camouflage them so no one can see them.
Wireless spy cameras come in all different sizes. However the more popular ones came in small sizes like the size of an average sized marble and even smaller.
Organizations such as Wiki-how and Wikipedia provide great tips on wireless camera surveillance. The tips are very useful and easy to implement by the surveillance camera buyer. The tips are totally free and can be accessed online.
wireless spy cameras with night vision are available. check the website :http://www.intelspy.com/ and you will find (W5802X1 with 5.8Ghz 30-LED Infrared Security Camera for Night Vision - Super Long Distance) price is $51.95
Wireless pinhole cameras bring new technology to a longstanding niche in the camera industry. They can be purchased through mass merchandising and auction sites, such as eBay and Amazon. Shops that specialize in tech gadgetry or 'spy' goods, such as SpyTechs and LightInTheBox also sell them.
in the US wireless spy cameras are legal but in most states there are laws pertaining to the invasion of privacy in reguards to areas where there is an expectation of privacy like locker rooms bathrooms and changing/dressing rooms.
No, With most wireless cameras; they rely on a wireless routers signal to work.
Yes you can purchase wireless security cameras. The best place to see what wireless security cameras is to visit a spy store or a home security company. They will be able to show you what models best fits your home and what you want the camera to do. To get an idea about what is available, you can always check out Amazon, which has a good range of systems to suit all budgets.
You can purchase spy camera sets from electronic retailers. Try Best Buy. They will likely have some kind of camera system in stock. You can also try smaller specialty stores.
Two of the most popular and best rated brands of wireless security cameras are Panasonic and Swann. In my research, these two brands stand out above all the others.
Spy cameras are not allowed in changing rooms due to the fact that it is illegal and is clearly invading the individual's privacy. The store would get sued if any spy cameras were found in the changing rooms.
People who are looking for affordable security cameras that are also easy to use should install wireless surveillance cameras. These cameras eliminate the lengthy cables and wires that are used in traditional home security cameras. In fact, standard cameras literally have hundreds of feet of wires. Wireless surveillance cameras use the same type of technology as routers, such as 2.4 GHz frequency for transmitting signals. However, the biggest concern with wireless cameras is interference with other wireless devices including routers and cordless phones.