A hidden camera is a still or video camera used to film people without their knowledge. The camera is "hidden" because it is either not visible to the subject being filmed, or is disguised as another object.
Kept out of sight; concealed
concealed: not accessible to view; "concealed (or hidden) damage"; "in stormy weather the stars are out of sight"
designed to elude detection; "a hidden room or place of concealment such as a priest hole"; "a secret passage"; "the secret compartment in the desk"
difficult to find; "hidden valleys"; "a hidden cave"; "an obscure retreat"
Write or compose
write: produce a literary work; "She composed a poem"; "He wrote four novels"
an enclosure for confining livestock
a writing implement with a point from which ink flows
Pen Spy Cam
The Spy Pen Cam brings out the covert operative in you, and can sit in your pocket while taking full-color video at 640 x 480 resolution. Able to be used as a real black-ink pen, the versatile device can record over an hour of video in WMA format. The Spy Cam video camera pen runs for up to two hours, records sound, and has a rechargeable Li-ion battery. Video file format: AVI4GB of storage capacityUSB 2.0Extremely portable, no wires System Requirements:Windows® 2000/XP/Vista/7Mac® OS X 10.4 or higher,LINUX, no driver neededexcept with Windows® 98
85% (11)
Hidden Valley
Another shot of Hidden Valley. Playground is behind the trees in the centre of the photo, shopette and gym are in the building on the right I think.
Hidden camera in a pen
This is the real spy thing. Its a hidden camera inside a pen with 4gb of memory. I manage to get my hands on these with a help with a friend.