Autonomous detector authorized for domestic use, of high quality and duration, based on technology of professional detection. Homologation VdS. Fed by means of alkaline battery of high quality of 9V, included. He has acoustic indicator of alarm of 85dB and visually, by means of red LED. Sonorous sign in case of breakdown. Screws of assembly incluída, as well as push-button for test of functioning. There can be realized networks of autonomous detectors, of up to 38 units, by means of interconnection by cable. Temperature of functioning between 0 °C and 50 °C. Dimensions: Ø100 x 35 mm.