Introduction WL-HN-01 automatic robot things, can be used to implement the gas valve automatically opens and closes to prevent the loss of life and property due to a gas leak caused. This product is highly automated and intelligent, without manual operation, the gas concentration increases in monitoring the air and exceeding the preset value, it will automatically use the robot to the valve closes to prevent the event expanded. The products are widely used in smart home, it can also be applied to a special area of ??intelligent industry, intelligent oil, gas stations and other intelligence. Features Easy to install, no wiring; easy to operate, easy to learn; precision machining, to ensure air tightness and security; and gas leak detectors can be connected to a gas leak was found that closes automatically exclude alarm, automatic reset?