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Wanlin WL-SG500 WiFi/Zigbee Gas Leak Shut Off Valve — Certi···
Wanlin WL-SG500 WiFi/Z···
2026-06-11
gas leak shut off valve direct from Wanlin Fire Protection — 12-year factory experience, WL-SG500 fully certified CE/FCC/RoHS. Key specs: WiFi/Zigbee wireless, 8s alert push via APP/SMS/Audible + Auto Gas Shut-Off, AC Powered + Battery Backup
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Wanlin WL-SG500 WiFi/Zigbee Event History Log — Certified E···
Wanlin WL-SG500 WiFi/Z···
2026-06-11
event history log direct from Wanlin Fire Protection — 12-year factory experience, WL-SG500 fully certified CE/FCC/RoHS. Key specs: WiFi/Zigbee wireless, 8s alert push via APP/SMS/Audible + Auto Gas Shut-Off, AC Powered + Battery Backup