Electric accumulators; alarms and personal alarms of all types included in this class; fire extinguishers and fire extinguishing apparatus; indicators of low pressure in vehicle tyres; smoke detectors and smoke activated lamps; electric candles; electrical and electronic apparatus and instruments included in this class, including battery chargers, time switches, smoke activated switching apparatus, light activated timers, light activated power supply controllers, light activated lamps, power failure activated switches and lamps