power monitoring arc fault gas detector exporter lpg methane catalytic fire alarm panel oem bms integration en 54-2 sounder strobe bulk supply smoke detector tester factory direct oem odm ce certified as 1851 nfpa 72 facility manager 8-hour battery auto smoke clear 4-pack smoke detector retail ready ul listed fcc certified private label retail bulk basement use hallway use bedroom use us cross reference lpcb fire alarm bre global vds fire alarm schadenverhutung ukca fire alarm great britain cpr fire alarm notified body declaration of performance en54 wireless heritage retrofit en 54 25 nfc firmware update secure boot nfc key fob staff access nfc felica japan transit nfc tag ntag type 2 nfc reader module pn5180 chipset nfc range test 5cm reliable nfc session replay queue integrity nfc offline mode local auth list smoke heat tester 2 in 1 heat detector tester en54-5 smoke detector test kit annual test aerosol can annual inspection detector tester smoke test aerosol msds