dust proof design

office smoke alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP600 smart fire detector certified UL 217/UL 268/UL 2034/UL 864/CE/EN14604/EN54/FCC. Key specs: Fixed Temperature + Rate-of-Rise Heat Sensing + LoRaWAN Long Range + Ultra-Low Power + Dual Communication, LoRaWAN + IoT Gateway + Cloud Platform + Long Range (up to 15km) + ···

Heat Detector Response Threshold Testing China manufacturer. Fire testing smoke gun for smoke and heat detector functional testing. CE, UL, EN54, NFPA72 compliant. Compatible with 30+ detector brands. OEM/ODM, wholesale, global shipping to Australia. Contact: wanlinfirecontrol@163.com