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combination sounder strobe
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Combination sounder strobe for South Korea Buyers: Smart Fir···
Combination sounder st···
2026-09-01
Wanlin Fire - China source manufacturer for combination sounder strobe. Featured model WL-TH-SD (Photoelectric Smoke Detector): Dual-sensor: photoelectric + 57 deg C thermal backup; EN54-7 Class A3, alarm at 0.13-0.17 dB/m obscuration; Built-in 88 dB at 3 m sounder + NO/NC relay contact; -10 to +55 deg C, 0-95% RH (tropical humidity rated). Full lineup: smok···