Enerna IoTech WiFi hand-free smart light bulb lamp holder have powerful function, smart remote control, can linkage to other smart devices to working together.1. Connect via wifi 2. eWelink APP for remote control 3. Connect Alexa for voice control 4. You can set the intelligent delay, scenario linkage and other functions in the mobile APP 5. Can be controlled by 2.4G remote control and wall switch panel, and can be controlled by remote control at the same time with cell phone APP 6. Easy installation and operation