Monitor a wireless video camera with a tiny handheld monitor you can carry like a PDA.

This viewer is a handheld portable color monitor, compatible with most 2.4GHZ wireless cameras.  It displays high resolution color images on a 2.5" LCD screen.  Audio can be transmitted from cameras with a range of 300 feet.  Rechargeable batteries with a continuous 2-hour run time.  Turn on the monitor and you'll get color video and sound that's perfect for monitoring children and elders, as well as for use in theft prevention, after-hours surveillance, home-security and more. Plug in earphones and it will look like your watching a portable TV.