Temperature Sensor, Alarm manufacturer / supplier in China, offering V-Come Stand-Alone Smoke Detector with 10-Year Life Lithium Battery, Photoelectric Smoke Alarm, Vs03-02, V-Come Stand-Alone Smoke Detector with 10-Year Life Lithium Battery, Photoelectric Smoke Alarm, Vs03-01, V-Come Stand-Alone Smoke Detector with 10-Year Life Lithium Battery, Photoelectric Smoke Alarm, Vs03-03 and so on.