Product Description :Door Frame Metal Detector is a reliable single piece walk-through metal detector system that does not require a separate control unit. It has been developed to detect clandestine ferrous and non-ferrous metals on the body of a person when asked to pass through the doorframe. Special ferrite detection circuitry has been employed to detect weapons concealed in ferrite containers. It is also equipped with an intelligent 5 digit back-lit LCD counter to indicate the in, out and algebraic sum of the traffic going through the door frame.It has been designed for fast installation and operation under all environments. Long life LED Walk/Stop indicators are incorporated on top of the doorframe to regulate the flow of traffic. All controls and audio/ visual alarms such as Piezo transducer, LED bar graph, indicator lamps and sensitivity controls are provided at the rear.