延时控制开关，可以选择15mins，30mins，1Hours，2Hours延时关闭。用于控制小厨宝类大功率电器。长按功能停止延时。(Delay control process, it can be selected as 15mins, 30mins, 1Hours, 2Hours to swithc off. It is trying to control the high-power electrical appliances. Long press function will stop