Mini LED Light wireless battery powered LED light for highlight effects models etc.Great mini led lights which are powered by 3 x LR41 batteries. These great little lights can be placed anywhere to highlight areas or inside models so fantastic for railway models. Batteries can be replaced. Options of Cool White, Warm White or RGB which cycles through colours slowly!Tiny size just 15mm x 10mm !!To turn on simply remove the tab and turn the base anti-clockwise. To turn off turn clockwise until the led goes out. Put tab back in to stop the led turning back on accidentally.See the video and our feedback! .