Specifications: Established in 1995, H.J. System Co., Ltd. manufactures and exports electronics and telecommunications systems(state-of-the-art security systems, conference speakerphones, voice recognition conference phones and telephone wire tapping detectors) We are proud to name such internationally reputable firms as Uni Enterprise International Inc. (USA), Cobra Defense (Japan) and Cable & Wireless (Ireland) among our major clients. We;re exporting to North America, Latin America, Oceania, and the Asia Pacific region. [ Security System >> KEEPER-M1 ] -Intelligent D.I.Y security & alarm system -Easy operation with voice guidance. -Easy installation using wireless sensors. -Easy operation of arming, disarming, etc. by remote controller. -Recording a voice message [ Wire Tapping Detector >> WINTEL & WINRF ] -Mini size and light weight -All the wiretapping can be detected. -You can hear voice or signaling sound by earphone when wiretapping is detected. Please visit our website for more details and a look at our production line technology, or contact me directly with any inquiries.