Access control and alarm monitoring systems; Acoustic alarms; Alarms for the detection of inflammable gases; Apparatus for detecting infrared; Apparatus for recording, transmission, processing and reproduction of sound, images or data; Batteries and battery chargers; Biometric fingerprint padlocks; Burglar alarms; Combustible gas concentration detectors; Fire and smoke detectors; Global positioning system (GPS) apparatus; Plugboards; Smoke alarms; Solar batteries; Video projectors