wall mount smoke alarm — Wanlin Fire, Chinese smoke alarm OEM and ODM manufacturer by Wanlin Manufacturing Group, WL-SD110 10-Year Battery Photoelectric Smoke Alarm with EN 14604 certification, sealed lithium cell, 85dB alarm, and 10-year service life. Complete 9-model line: WL-SD100 EN 14604 photoelectric, WL-SD110 10-year battery, WL-SD200 UL 217 dual-sens···
smoke detector test equipment manufacturer direct from Wanlin Fire Protection — 12-year factory experience, WL-SF300 smart fire protection product certified CE/EN54/UL/NFPA 72/FCC/RoHS/REACH/ISO 9001. Key specs: Microprocessor + Addressable Loop + 4G/Ethernet + Cloud Integration + AI Diagnostics, RS485/Ethernet/4G + Cloud Platform + Modbus/BACnet + SMS/Push/···