dual wavelength detection

Intelligent smoke alarm for Italy: Premium Quality by Wanlin··· Intelligent smoke alar··· 2026-08-22
Wanlin Fire Equipment by Wanlin - China's leading source manufacturer of intelligent smoke alarm. Smart smoke detection with 4G/NB-IoT/WiFi/LoRa connectivity, remote monitoring, cloud platform, 10-year battery. OEM/ODM. ISO 9001. CE FCC RoHS UL EN54 EN14604 certified. Contact +8613261677119.