: Infrared light converters, LED illuminators, and night vision viewers.
: Each project includes a complete parts list, required tools, numerous illustrations, and assembly instructions. 101 Spy Gadgets for the Evil Genius
: Portable alarm systems and camera flash tasers. Product Information 101 Spy Gadgets for the Evil Genius - Amazon.in : Infrared light converters, LED illuminators, and night
: Aimed at hobbyists and "evil geniuses" ranging from beginners to intermediate electronics enthusiasts. : Infrared light converters
: Phone number decoders, "spammer jammers," and voice changers.