LELUOYUN

Videophones; Digital door locks; Electric, electronic, or electrochemical oxygen monitors and sensors for environmental use; Electronic and optical communications instruments and components, namely, optical transmitters; Life-saving capsules for natural disasters; Magnetic locators; Metal detectors; Microphones; Multiple purpose cameras; Nickel-cadmium storage batteries; Sirens for vehicles; Underwater breathing apparatus; Videocameras; Wireless headsets for smartphones