Sistem / alat pelacak mobil dengan menggunakan teknologi GSM, handphone, alarm (bukan untuk kendaraan), aki, segala macam aki, catudaya, battery, UPS (Uninterruptable Power Supply), charger, pesawat penerima radio, televisi, tape recorder, video, mesin bicara, gramophone, rewinder, amplifier, loud speaker, microphone, megaphone, headphone, wireless, VCD, optic, kaca mata, lensa-lensa, mikroskop, teropong, teleskop, pesawat komunikasi, telephone, walky talky, handy talky, pesawat telex, pita-pita magnetic, pita cassette, pita video disk recorder, laser disk, piringan hitam, compact disk (audio,video), antenna, booster, radar, parabola, accu, kotak accu, baterai, pengisi baterai, batu baterai, kotak baterai, bel listrik, kabel telepon, transformator, travo, ballast, step up, step down, mesin facsimile, computer, mesin hitung, kalkulator, kas register, mesin teleks, printer, pesawat-pesawat ukur, speedometer, ampere meter, meteran listrik, volta meter, modem- modem, monitor (program computer), CPU, stop kontak, sakelar, switch-switch, fiting-fiting, kombinasi fiting, stecker, sonar, seterika listrik, mesin fotocopy, disket, pesawat-pesawat pemadam api, alat solder listrik