Integrated Smoke Heat Detector for Hotel

Source Battery Operated Smoke Alarm directly from Wanlin Fire, a leading Chinese manufacturer of 4G Smart Smoke Detector. Product highlights: 4G Cat.1 wireless, 10s alert push via APP/SMS/call, 3-year

Source Smoke Heat Combined Alarm directly from Wanlin Fire, a leading Chinese manufacturer of Photoelectric Smoke Heat Detector. Product highlights: Dual-sensor smoke+heat, 80% lower false alarm rate,