* Please avoid attaching to near pillow since audible noise can occur slightly when using. * if make a mistake of wire connection, it become unusable due to short circuit or over current since it uses semiconductor. * It can not be used for fluorescent lamps and step-down transformer equipment. * It can not be modulated light from two places. (blinking possible) It can not be used for lighting equipment with light modulation function. Please be sure to use under the maximum load capacity. It may cause abnormal heat or a fire.