battery powered

Wanlin 4G Smart Smoke Detector Export Solution: Smoke Heat C··· Wanlin 4G Smart Smoke ··· 2026-05-31
Smoke Heat Combined Alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SM600 fully certified CE/EN54/FCC/RoHS. Key specs: 4G Cat.1 wireless, 10s alert push via APP/SMS/call, 3-y