temperature sensor with end of life warning

temperature sensor for battery storage 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 availab···

heat detector for fruit processing direct from Wanlin Fire Protection — 12-year factory experience, WL-HD904 fully certified UL 521/EN 54-5/CE/FCC/RoHS/REACH. Key specs: LoRaWAN 868/915MHz, Fixed Temperature Sensor + LoRaWAN Long-Range Module, 3-year replaceable battery (2x C lithium). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Se···