Security cameras; 360-degree camcorders; Head-mounted cameras; Webcams; Neon signs; Electronic digital signboards; Biometric fingerprint padlocks; Digital door locks; Electronic locks; Electronic locks incorporating biometric scanners; Fire and smoke detectors; Electronic detectors for observing and measuring the infrared spectrum, namely, infrared detectors; Electric door bells; Computer network routers; Intercoms; Remote controls for air-conditioning apparatus; Remote controls for televisio...