JT-W01 Non-Remote household combustible gas detector (hereinafter referred to as the Detector) is made of high-quality gas-sensitive components, combined with advanced electronic technology and sophisticated technology. In the place where gas exists, once the gas concentration reaches the alarm setting value, JT-W01 Detector will issue an acoustic and optical alarm signal to remind you to ventilate or shut off the gas source to eliminate the danger, effectively avoiding the occurrence of fire, explosion, poisoning and other malignant accidents caused by gas leakage.