lora communication — Wanlin Fire, Chinese smart smoke detector manufacturer and exporter by Wanlin Fire Technology. WL-SD-500 photoelectric smart smoke detector with 4G LTE and NB-IoT dual-mode connectivity, 10-year sealed lithium battery, 85dB sounder, app/SMS/push alerts, remote cloud monitoring. EN 14604, EN 54-7, UL 217, CE, RoHS certified. MOQ from 100···

Rs485 Output China manufacturer. Smart fire safety products: smoke detectors, fire alarm systems, IoT fire platform, perfluorohexanone suppression. CE, UL, EN54, NFPA certified. OEM/ODM, wholesale, global shipping to Canada. Contact: wanlinfirecontrol@163.com

GSM Smoke Detector China manufacturer. CE EN14604 UL RoHS FCC certified. 4G wireless smoke detection solution for Oceania market. OEM/ODM, wholesale, global shipping. Contact: wanlinfirecontrol@163.com