4G alarm with cellular direct from Wanlin Fire Protection — 12-year factory experience, WL-SS103 fully certified EN 54-3/UL 464/UL 1971/CE/FCC/RoHS/REACH. Key specs: NB-IoT (LTE Cat-NB1), Ultra-Bright Xenon Strobe + Piezoelectric Sounder, 5-year replaceable battery (2x D lithium). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving···
wireless alarm with adjustable volume direct from Wanlin Fire Protection — 12-year factory experience, WL-SS101 fully certified EN 54-3/UL 464/UL 1971/CE/FCC/RoHS/REACH. Key specs: WiFi + Bluetooth 5.2, Ultra-Bright LED Strobe + Multi-Tone Sounder, 3-year replaceable lithium battery (4x AA). MOQ 100 units, 25-30 working days, OEM/ODM custom branding availab···