... ,prolong battery life.5,Operation made:automatic light/time control,user self-setting,convenient and utility.6,Lamp protection: ... ,cold,wet and so on conditions.9,Control:with battery voltage,controller temperature,charge control.10,Large powered Led Lamp can ... optimizing design,be applicable in most field.d. Light control,time control,single light,double light,humanization of muiti-compound modee ...