Ringbell

Class [9]
Computer & Software Products & Electrical & Scientific Products

Wireless switches；Infrared detectors；Door opening and closing detecting sensors；Wireless transmitters and receivers；Water level detection apparatus；Window opening and closing detecting sensors；Alarm systems；Burglar alarms；Fire detectors；Flame detectors；Gas alarms；Intruder detecting apparatus [other than for vehicles]；Electronic warning bells；Electrical and electronic burglar alarms；Security surveillance apparatus；Metal bells for alarms；Electrical sockets；Hydrometers；Thermometers；Loudspeakers；.