Spy Tech Zone Spy Techzone was established in the year 2007 . Our company has created a dignified position in the market. We are a Sole Proprietorship based firm and situated our office at Bengaluru . We are engaged in manufacturing, wholesaling, supplying and retailing a wide range of Spy Camera, CCTV Camera, Spy Voice Changer, GSM Audio Listening Device, Spy Audio Device, Stun Gun and more.