OTA firmware update

• High-quality low-price smoke alarm for Qatar: Trusted Fire Safety Global Partner in China 2026-08-28
• OTA firmware update for Baybay: Premium Quality by Wanlin China Factory 2026-08-26
• kitchen leak detector, LoRaWAN Wireless Gas Detector, WL-GA205, Wanlin Fire Protection, Madrid, fact 2026-07-29
• WiFi 6 gas detector, 4G Dual-Sensor Gas Detector, WL-GA206, Wanlin Fire Protection, Bogota, factory 2026-07-29
• Peru smoke detector INACAL, 4G Smoke and CO Combination Detector, WL-SM602, Wanlin Fire Protection, 2026-07-29
• USA smoke alarm FCC, 4G Standalone Photoelectric Smoke Detector, WL-SM600, Wanlin Fire Protection, J 2026-07-29