⭐ Dual Safety Set (2× sensor + 2× electric valve) — A complete solution for detecting natural gas and methane (CH4), featuring a loud (≥85 dB) warning tone and a bright LED alarm indicator for immediate hazard alerts. 🛡️ Rapid automatic gas shut-off — Electric valve with a closing time of under 1 second, triggered by a 9–12V pulse. Robust aluminum alloy construction, suitable for pressures up to 100 kPa. ⚡ Wide voltage range & stable performance — Gas sensor operates on AC 100–240V, requires a 180-second warm-up period for accurate measurement, and functions reliably in temperatures ranging from -26°C to +80°C. 🔧 Easy installation with 3/4" female threads — Each valve comes with a 90 cm connection cable; compact sensor dimensions (72×115×35 mm) allow for flexible mounting in kitchens, boiler rooms, or utility areas.
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