Internet of things: applied to smart home devices, VR / AR and other smart networking devices: smart speaker, smart router, smart refrigerator, smart water heater, smart TV, smart air conditioner, etc.
Functions: power indicator, information indicator, warning light, key switch indicator, LCD panel, etc.
物联网：应用于智能家居设备、VR/AR等智能联网设备：智能音箱、智能路由器、智能冰箱、智能热水器、智能电视、智能空调等。
作用：电源指示、信息指示、警示灯、按键开关指示、液晶屏组等。