wireless smoke alarm for existing home

polar connection direct from Wanlin Fire Protection — 12-year factory experience, WL-SF400 smart fire protection product certified CE/EN54/UL/NFPA 72/FCC/RoHS/REACH/ISO 9001. Key specs: Addressable Manual Call Point + LED Strobe + Piezoelectric Sounder + Short Circuit Isolator, Addressable Loop + Built-in Isolator + LED Indicator + Test Key. IoT cloud platf···

Wireless Smoke Alarm for Existing Home manufactured by Wanlin Fire Control — professional 4G smart fire safety equipment with real-time cellular monitoring. EN54/EN14604/UL/FCC certified smoke detectors, gas alarms, CO detectors, fire alarm control panels, manual call points, and sounder strobes. Factory-direct pricing with global shipping. CE/UL certified ···