For the passenger compartment only. The LED modules are not approved for fitting in exterior lights. One or more LED interior light packages are required, depending on the number of interior lights. Type, base, LED module: T10 (for replacement of W5W and W6W bulbs). Festoon bulbs (C5W, C6W) cannot be replaced because they are a different type. No installation instructions, follow instructions for bulb change / roof switch cluster REP... . Not permitted in the realm of the German StVZO. Contains 4 LED modules for roof lights (interior light, reading light).