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 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 HVAC test equipment heat detector tester wholesale detector tester aerosol smoke tester fire detector tester EN54 compliant facility management fire engineering tools fire alarm maintenance smoke detector tester OEM smoke tester smoke alarm tester smoke detector test kit Digital Signage Player solution digital signage player interactive touch fire safety R&D global fire safety partner CE approved fire safety wireless fire detection industrial fire protection smart fire platform fire safety deployment China fire safety manufacturer fire detection technology fire safety innovation certified fire detector business premises fire alarm case source factory fire equipment fire safety exporter fire alarm system fire protection solution fire safety case study fire safety engineering commercial fire safety fi UL smoke detector IoT home safety China fire equipment supplier EN14604 smoke alarm smart home safety export fire equipment 4G fire detector smart home security gas leak detector water flood sensor home security combo PIR motion detector WiFi smoke alarm home fire alarm smoke detector wholesale kitchen safety sensor home fire export elderly care alarm door window sensor source factory flood water alarm SOS emergency button ga rechargeable fire detector tester smoke detector test kit CE certified telescopic test tool smoke test spray safety compliance building inspection tools Advertising Media Player solution advertising media player timed on/off fire safety deployment OEM fire equipment fire detection case building fire protection branded fire alarm production service EN14604 smoke alarm gas valve shutoff video doorbell ODM fire alarm home fire safety bundle UL smoke detector OEM home security CE certified fire alarm Android TV Stick solution Android TV stick for office wireless fire detection IoT fire monitoring factory direct fire detector tester smoke probe 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 portable smoke tester OEM smoke tester price fire detector tester 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 R&D driven fire detection OEM China f CE certified fire detector tester building fire protection international approval fire protection deployment fire safety R&D 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 source factory global f EN54 certified global OEM home security China fire equipment s gas valve shutoff CE certified fire ala Hotel fire smoke alarm global fire safety partner 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 video doorbell kitchen safety