The LED Light Unit TLU-01 is light and compact. It can mount inside TAMIYA RC car body without dropping off. The unit includes a pair of 5mm white LED and a pair of 5mm red LED. 4 LEDs is sufficient to illuminate the RC car body. The LEDs are very bright when switched on. The light unit can support 16 pairs of LEDs. This unit also supplies accessories like cable ties and double tape. Drifters and RC scale realism will like this excellent product!