A hidden camera can be wired or wireless. Wireless have more reach than
wired ones, as they do not require installation of wire and are hassle
free. Initially Nanny cams were used to monitor and record the
activities of caregivers, the concept later flourished with now what is
known as a spy camera. Hidden camera can be further divided into the
outdoor and indoor hidden cameras

Outdoor covert camera- It
provides security outside the home or office. They have infrared
illumination(IR) with a passive infrared detector to lighten the moving
objects. They have inbuilt audible and visual alarms. The microphones
are attached to the camera so that the sound can be heard clearly. It
can cover large areas because of the wide lens camera.

Characteristics of outdoor camera: they are weather proof,resistant to
dirt and pollution and are robust. Outdoor camera can record colored or
black and white video. Some models record colored visuals only at day
time and others can record at night as well.

Indoor covert camera- They are used for interior surveillance. Indoor
cameras can be smaller, more lightweight and are usually less intrusive
than bulkier outdoor cameras. Indoor cams also has infrared for clear
pictures in low light at night or darker areas and easy transitions when
there is a sudden change in light-changing automatically from color
images in bright light to black and white when it gets darker. Spy
camera is available at online.

There are many cameras which can
be used in indoor as well as outdoor, they are: spy pen cam, jasoosi
secret bag, hidden keychain, covert wrist watch, and etc. Since these
cams look like a respective device therefore no one can suspect their
real features moreover they are compact, handy and portable. These tools
are easy to use, so anyone can use it. Spy camera in Delhi is available
at electronic shops or you can get these gadgets from a trusted dealer
at a reliable price.