continuously adjustable volume

continuously adjustable volume direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP500 smart fire detector certified UL 217/UL 268/UL 2034/UL 864/CE/EN14604/EN54/FCC. Key specs: Multi-Sensor Fusion (Smoke + Heat + CO) + AI Machine Learning Algorithm + 4G LTE + WiFi Dual Communication + Edge Computing, 4G LTE Cat.1 + WiFi + AI Cloud Platfo···

Kidde smoke alarm Vietnam alternative direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP700 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC/QCVN. Key specs: ARM Cortex-A7 Processor + 4G LTE Cat.1 + WiFi + Ethernet + Zigbee + Bluetooth + Cloud Platform Integration, 4G LTE Cat.1 + WiFi + Ethernet + Zigbee + Bluetooth + IoT C···