The connect made by stainless steel, durable.
Smart button, one click Add one hour, double-click to reduce one hour.
Timing function, when time is up, the cable will automatically shut down.
Memory function, after setting the time once , you do not need to be set again.
Mart chip protection, when the current exceeds 3A will automatically disconnect.
Digital display screen, show you the voltage and current when your devices is charging.