We don't even want to think about the reasons why someone would want to spy another person, but if you have to, modern technology can help you on your mission. You may use your or your target's mobile phone as a spying tool if you get a chance to install a piece of recording software to the phone. Spy applications record phone calls and messages sent and received on the phone. If you want more evidence, you have to photograph or capture video of your target. That's where a spy pen can help you.

The Spectra Optics Spy Pen is a compact pen that includes digital camera and microphone. For instance, the model 300 includes 2GB or permanent storage space for video and audio. The recorded material can be transferred to a PC via included USB cable. Battery allows two hours of recording. Don't expect too much from the video quality, the Spectra Spy Pen 300 can record in 176x144 resolution in AVI format.

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