JNHCD

Carbon monoxide detectors; Counterfeit coin detectors; False coin detectors; Fire-extinguishers; Gas detectors for detecting the presence of gas; Leak detecting device for water supplied home appliances consisting of water sensor, control unit with audible alarm and water valves; Security alarm controllers; Smoke detectors; Temperature sensors; Toner cartridges, unfilled, for printers and photocopiers; Video baby monitors; Device for testing the function and effectiveness of smoke detectors, carbon monoxide detectors and heat detectors featuring an aerosol spray; Electric buzzers; Punched card machines for offices