This is a 50 watt 12volt ar111 lamp with an 8deg spot beam these lamps have an aluminium reflector for accented lighting ar111 lamps have an average life of 3000hrs the aluminium coating on the ar111 reflector directs heat outwards keeping the light fitting cool this makes the ar111 ideal for use in spot lights and for display lighting ar111 lamps are frequently used in restaurants bars nightclubs and retail shops