Here’s a chewing gum size audio and video recorder small enough to hide in about any place and position and is capable of recording of up to 4 hours per full charged. The Ultimate SAS Spy Cam records 3GP video files onto a Micro SD Card and can be played back on a computer or a mobile phone.

The Ultimate SAS Spy Thumb Cam features 176×144 QCIF at 15 frames per second using 3GP Video Format with nonstop recording until memory is full or the cam is physically turned off. The Ultimate SAS Spy Thumb Cam is a great option to conventional CCTV for the times when you don’t want people to know they’re on camera.

- £119.95 at boysstuff

You want a spy telescope that works by day or night? Here’s a Spy Gear Spy Night Scope that let your kids spy faraway stuff by day with green surveillance lenses and pops up a hidden night beam at night for improved visibility.

The Spy Gear Spy Night Scope features a 5x power magnification for bringing far away objects very close plus the Spy Gear Spy Night Scope also comes with a spotlight that pops up to see 25 feet in the dark.

- £9.99 at toysrus

You want a Do-It-Yourself way of installing a home alarm? Here’s an economical Intrusion Notification System that’s build into a working telephone. It lets you enter the number you would like the TeleSpy to call in the event of an intrusion and turn the power switch on. When the motion activated sensor is triggered, the TeleSpy will call the number and the internal microphone will allow the call recipient to hear what is happening!

The TeleSpy Intrusion Detector features a slim line standard telephone that plugs into a standard RJ-11 phone jack. It has a built-in passive infrared motion sensor, a 45 degree wedge, and an amplified condenser microphone. The TeleSpy Intrusion Detector also features a 30 seconds listening and after 30 seconds, the TeleSpy call disconnects and re-arms.

- $59.99 at thinkgeek

You want to detect any moving objects and record them so that you can examine the pictures clearly using your TV or Computer? Well, here’s a gadget that automatically shoot and record any movements when it’s in power on mode.

Digital Motion Detect Video Recorder features first in first out for endless recording and re-recording, automatically take photos or record instantly on detection of movements, supports of up to 2GB SD Card and can look for, and delete images or videos throughout the shooting date. The Digital Motion Detect Video Recorder can connect two cameras simultaneously, with the function of “Picture in Picture” and is capable of combining all kinds of alarm system plus it can saved even when it’s powered off.

- $108.92 at chinavasion

Do you want another set of eyes and ears that can really capture distant sounds even if its 300 feet away? Well, here’s another gadget that can zoom in and see what you are hearing even if it’s already impossible for the human ears and eyes to pick up.

The Orbitor Electronic Listening Device features advanced parabolic sound technology with viewfinder 10x prism optical system. It also features a digital recording system with high quality headphones. Own one now and find out the different uses of this ingenious surveillance gadget.

- $59.95 at gadgetuniverse

Busy? No time to keep an eye on your little kids? Well, here’s another option for monitoring the safety of your kids even if you’re blocks away.

This Wireless Baby Monitor Set features a 2.4GHz high quality receiver with MP4 player and 4 wireless cameras for monitoring purposes. Now you can do some cooking and cleaning without checking them often, thanks for these cool gadgets, it’ll surely add some peace of mind especially for us busy parents.

- $193.90 at chinavasion

Dress and look smartly with this nice looking spy necktie. Yes, this is not just an ordinary necktie because this one is capable of capturing still images with the ability to record videos in AVI, VOB, DAT and MPEG4 format.

Spy Necktie comes with a camera that can take objects up to a maximum range of 15m and a wireless MP4 receiver that can transmit high quality videos up to 480×234 resolutions. Smart necktie also features a 2.5inch LCD display, 3.5mm earphone jack and a built in 128MB memory for a complete wireless surveillance system.

- $205.35 at chinavasion

This hi-tech sunglasses is not just one of those ordinary sunglasses around because it allows you to capture 1.3 megapixel still images at a resolution of 1280×1024 at the same time enjoy your favorite music via MP3 playback.

This gadget features 1GB storage space for storing your captured digital photos and MP3 files and a RF remote control for easy photo shooting. It also includes a li-on rechargeable battery, USB cable, strap, storage case, cleaning cloth and extra clear lenses.

- $99.99 at thinkgeek

Want the truth? Then this Electric Shock Lie Detector gadget is for you.

This gadget will make those liars to be careful the next time you ask questions or else they could be electrocuted. It works by placing your hands into the lie detector sensor, press the analyzer button and let the detector investigate their answer. Don’t worry, as long as you answer the questions honestly then you will be fine.

- $19.99 at bb-shopping

Worried about who is behind those walls, doors and windows?

Or maybe you’re worried about the safety of your loved ones and can’t sleep well at night because somebody might be roving around spying on your backyard? Worry no more!

This little gadget is used to listen through walls; It allows you to listen to sounds and conversations through up to 60cm of solid concrete, doors and windows. This amazing gadget will not only let you listen through walls it also has sockets for a recording device if required.

Size: 250mm x 150mm x 30mm
Weight: 230g