wireless heat detector easy install

AI Temperature Sensor China manufacturer. Fixed temperature and rate of rise heat detection with EN 54-5 UL 521 CE certification. 4G wireless, IoT smart monitoring, OEM/ODM, wholesale, global shipping to Argentina. Contact: wanlinfirecontrol@163.com

temperature and humidity sensor direct from Wanlin Fire Protection — 12-year factory experience, WL-HD905 fully certified UL 521/EN 54-5/CE/FCC/RoHS/REACH. Key specs: RF 433MHz Mesh + 4G LTE Backup, Fixed Temperature + Rate-of-Rise + RF Mesh Networking, 10-year sealed lithium battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serv···