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heat detector for school, NB-IoT Heat Detector, WL-HD903, Wa···
heat detector for scho···
2026-07-10
heat detector for school direct from Wanlin Fire Protection — 12-year factory experience, WL-HD903 fully certified UL 521/EN 54-5/CE/FCC/RoHS/REACH. Key specs: NB-IoT (LTE Cat-NB1), Fixed Temperature Sensor + NB-IoT Low-Power Module, 5-year replaceable battery (2x AA lithium). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60+ ···
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4G heat detector with app, Combination Smoke and Heat Detect···
4G heat detector with ···
2026-07-10
4G heat detector with app direct from Wanlin Fire Protection — 12-year factory experience, WL-HD902 fully certified UL 521/EN 54-5/CE/FCC/RoHS/REACH. Key specs: 4G LTE Cat.1 + WiFi + RF 433MHz, Photoelectric Smoke + Fixed Temperature Heat Dual Sensor, 10-year sealed lithium battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Servin···
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From Prototype to Professional Use: The fixed temperature te···
From Prototype to Prof···
2026-06-09
Looking for a reliable fixed temperature test 135 F manufacturer in China? Wanlin offers factory-direct OEM/ODM handheld smoke test devices, electronic heat detector testers, extendable test poles, and NFPA/EN compliant test aerosol solutions with Middle East certification compliance. Custom branding, calibration certificates, competitive wholesale pricing, ···
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heat sensitivity test tool - Heat Detector Tester & Smoke Te···
heat sensitivity test ···
2026-06-09
China heat sensitivity test tool OEM factory - Wanlin Fire Safety Technology. Africa market smoke detector test for fire marshal supplier. CE FCC RoHS IC certified. MOQ 10 units. Contact +8613261677119
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