433MHz smoke detector

WANLIN smoke detector user manual Standalone Photoelectric Smoke Alarm with 433 MHz Wireless Interconnect export OEM ODM wholesale

USA smoke alarm UL 217 direct from Wanlin Fire Protection — 12-year factory experience, WL-SM602 4G standalone smoke detector certified CCCF/GB 20517-2006/CE/UL 217/EN 14604. Key specs: Dual Light Path Photoelectric + Electrochemical CO Sensor + 4G Cat.1 Communication, 4G LTE Cat.1 + Cloud Platform + Dual Alarm Channel (Smoke + CO) + SMS/Push/Email. Dual li···