Wireless Smoke Detector Systems for System Integrators | Wanlin Fire · Practical Product and Application Information
Fire Door Hold Open Device
Explore products, technical articles, FAQs, and application information related to Fire Door Hold Open Device from Wireless Smoke Detector Systems for System Integrators | Wanlin Fire.
Products and Services
Review relevant products, system options, application guidance, project support, and pre-sales or after-sales services.
Information for Selection
Compare the application scenario, functional requirements, installation environment, interfaces, communication method, quantity, and project schedule.
How Information Is Verified
Confirm model numbers, technical parameters, certifications, delivery terms, and compatibility against current product documents and agreed project requirements.
-
Fire Door Retainer Alarm China Manufacturer, 4G Wireless Fir···
Fire Door Retainer Ala···
2026-07-15
Fire Door Retainer Alarm China manufacturer. UL 60930 and EN 16061 certified fire door alarm with real-time position monitoring, 4G wireless alert, fire door status tracking, OEM/ODM, wholesale, global shipping to Chile. Contact: wanlinfirecontrol@163.com
-
fire door alarm for Airbnb, NB-IoT Fire Door Closing Reminde···
fire door alarm for Ai···
2026-07-15
fire door alarm for Airbnb direct from Wanlin Fire Protection — 12-year factory experience, WL-FD103 fully certified EN 1155/NFPA 80/CE/FCC/RoHS/REACH. Key specs: NB-IoT (LTE Cat-NB1), Ultra-Low Power Position Sensor + NB-IoT, 10-year sealed lithium battery (non-replaceable). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60+ ···
-
fire door alarm with Home Assistant, Premium Fire Door Contr···
fire door alarm with H···
2026-07-15
fire door alarm with Home Assistant direct from Wanlin Fire Protection — 12-year factory experience, WL-FD108 fully certified EN 1155/NFPA 80/CE/FCC/RoHS/REACH. Key specs: 4G LTE Cat.4 + WiFi 6 + Modbus RS485 + Matter, Premium Multi-Door Controller + LCD Display + Voice, AC 230V + 72h backup battery. MOQ 100 units, 25-30 working days, OEM/ODM custom brandin···