Features MULTIPLE FUNCTIONS: USB output control module support 2.4G WIFI communication protocol, as well as remote control pairing and clearing functions WITH DATA TRANSMISSION: For eWeLink APP support the function of adding multiple devices, and USB output port support external power supply and external data output without burning 2.4G WIFI: The PF B01 WIFI module come with low power consumption and low delay, support the 2.4G WIFI communication protocol, useful and practical PHONE APP CONTROL: 433MHz module can open or close the USB output port by pressing A button of the remote control. WIFI module can cooperate with for eWeLink APP to achieve remote control function STRONG AND STABLE: USB output control module is composed of 433MHz wireless transmission module and PF B01 WIFI module, which integrate wireless control of remote control and remote control of mobile phone APP. Has the advantages of strong signal penetra Specification: Item Type: USB Output Control Module Support APP: For eWeLink APP WIFI Protocol: 2.4G WiFi Remote Control Battery: 1 x 60mAh 12V23A battery Package List:1 x Module 1 x Remote Control Package List 1 x Module 1 x Remote Control