2 in 1 smoke heat alarm fire safety smoke detection fire alarm fire protection Wanlin Fire Control smoke alarm fire detector fire sensor photoelectric detector EN54 certified CE approved fire safety equipment addressable detector conventional detector wireless smoke alarm battery smoke detector hardwired detector OEM smoke detector wholesale fire alarm fire detection system smart fire alarm IoT fire safety commercial fire protection industrial smoke detector Certification & OEM solution OEM Android TV stick custom brand Wanlin technology China export smart display system digital advertising streaming media Android platform OEM partnership ODM service global deployment certified device HDMI connectivity 4K playback commercial hardware media signage enterprise display content ecosystem smart factory display innovation IoT media video management signage CMS manufacturing quality factory direct supply Accessories solution TV stick USB to Ethernet adapter rechargeable fire detector tester aerosol smoke tester smoke detector test kit fire detector tester EN54 compliant wholesale detector tester CE certified OEM smoke tester telescopic test tool HVAC test equipment smoke test spray smoke detector tester safety compliance building inspection tools Advertising Media Player solution advertising media player timed on/off fire safety deployment certified fire detector CE approved fire safety industrial fire protection wireless fire detection fire safety case study OEM fire equipment fire safety innovation fire detection case building fire protection China fire safety manufacturer fire safety exporter fire detection technology source factory fire equipment global fire safety partner branded fire alarm production service commercial fire safety fire alarm system Android TV Stick solution Android TV stick for office wireless fire detection fire safety engineering IoT fire monitoring fire safety deployment fire protection solution factory direct fire detector tester smoke probe heat detector tester security system testing building inspection tools wireless detector tester UL listed fire alarm test tool detector testing equipment 4G smoke alarm for fire protection smoke heat detector tester detector calibration fire engineering tools portable smoke tester fire alarm maintenance OEM smoke tester price fire detector tester facility management smoke alarm tester Smoke detector for HVAC systems detector test equipment detector testing equipment Application Scenarios solution TV stick ROHS smoke detector fire alarm system smart fire platform R&D driven fire detection OEM China f Smart Features solution smart TV stick VPN support built in Smoke and CO composite detector Technology & Hardware solution Android TV stick Gigabit Ethernet port heavy duty smoke heat detector tester smoke alarm tester smoke detector test kit Digital Signage Player solution digital signage player interactive touch fire safety R&D business premises fire alarm case fi gas valve shutoff water flood sensor SOS emergency button China fire equipment supplier home fire safety bundle elderly care alarm source factory home security combo home fire alarm gas leak detector EN14604 smoke alarm WiFi smoke alarm ODM fire alarm flood water alarm door window sensor video doorbell PIR motion detector IoT home safety smart home safety UL smoke detector export fire equipment smart home security 4G fire detector CE certified fire ala EN14604 smoke alarm gas valve shutoff kitchen safety sensor home fire export smoke detector wholesale OEM home security CE certified fire alarm Hotel fire smoke alarm global fire safety partner fire safety R&D fir smart home security d commercial fire safety tourist accommodation fire detection solution Dual sensor smoke heat detector CE distribution facility fire alarm case study smok CE approved fire safety city infrastructure fire alarm China wireless f CE certified fire detector tester building fire protection international approval fire protection deployment fire safety ex compatible with Notifier detectors heat detector tester fire alarm test tool High sensitivity smoke detector Wanlin Fire Control apartment fire detection solution case ind UL smoke detector ga source factory global f EN54 certified global OEM home security China fire equipment s video doorbell kitchen safety