Countdown FunctionThe remote control outlet plug provides five different countdown settings to choose from, including 0.5, 1, 2, 4, and 8 hours, making it convenient for users to choose according to the different needs. It is convenient for safely shutting down sockets when not in use, helping to save energy and prevent overcharging of connected devices. Multiple Safety ProtectionHAPYTHDA remote control outlet support advanced smart leakage protection TECH, the current remains off under certain conditions. It also supports zero-crossing trigger technology, surge protection, short circuit protection, overload protection, and overcurrent protection to provide safety for you and your family. 500FT RF Range ControlOur wireless light switch has a strong RF signal, which can work through doors and walls without interfering with other electronics. The strong signal supports distance control of 70-160ft indoors and 300-500ft outdoors. You can control the switch of sockets from anyw