Here's a handy idea - integrate a work light in your door mirror, so when you need to illuminate something to the side of your Defender you can easily turn the light. This mirror head (part no. BR1914LEDK) fits standard arms and has finger grips making it easy to adjust. It has a 21W (equiv) LED light and comes in matt (pictured) or gloss finish. It can be painted to match your bodywork.