This 20w LED DC Driver has an Ip rating of 66 which will be able to withstand the harsh outdoor climate. As Havit have specially designed these drivers for use with their fittings. This includes outdoor pillar lights as well as spotlights, spike lights and in ground lights. The wattage of your fitting or fittings must not exceed the driver limit of 20w. Example If you have 3x 5w fittings connected to the 1 driver you will need a 20w driver. If you have 4x or 5 5w fittings connected to the 1 driver you will need a 30w driver. All drivers come with a flex and plug, for your convenience.