photoelectric sensor

NB-IoT Smoking Alarm - Wanlin, a Chinese manufacturer and export supplier based in Shenzhen, China, builds cigarette and vape (e-cigarette) detection alarms for no-smoking areas in hotels, hospitals, schools, malls, offices, restaurants, bars, airports, train stations, libraries, gyms, public restrooms, elevators, stairwells, corridors, factories, warehouses···

fire alarm accessories -- Wanlin Fire Protection, 12-year Chinese smart fire protection product manufacturer, WL-SFP100 (4G Smart Photoelectric Smoke Detector) certified EN54/EN14604/EN50291/CE. 4G LTE Cat.1 + Photoelectric Sensor + 10-Year Sealed Battery + Voice Alert + Mobile App Pu. MOQ from 100 units, OEM/ODM from 500 units, 15-20 day delivery, 60+ count···