With the optional work lights, all the main areas of the spreader are adequately illuminated when working at night. For monitoring the fill level and for when loading, high-capacity LED spot lights illuminate the inside of the hopper. For checking the agitators and for changes in the spread pattern, additional work lights are installed. In addition, work lights are attached to the sides which illuminate the spread pattern at nighttime and at the same time can be utilised as a filling aid.