Smart fortwo - trunklight (like brabus)

I've designed this trunklight for a Smart -for two 451- because most of the cars do not have a light in the trunk (that's terrible when it's dark outside and you have to get out your stuff or groceries ...). You can buy a trunklight from a german tuner brabus but it's mostly not available and you'd have to pay around 120,- Euro for it. So this trunklight is A.) much cheaper (around 20,- Euro) and B.) you can use it on other cars as an insight light.
I attached the light to the swich from the in