Halogen Head light for true tissue color and consistent. Long lasting Illumination. Iris diaphagram regulates diameter of Light Spot. The Halogen illumination of the lamp offer an optimal light intensity which may be regulated by a switch. The practical plastic design offers easy handling due to low weight. Head may be exchanged without removing the headband. The plug transformer 6v supplies the required power. Model Name HEADLIGHT, Halogen, complete Halogen Head Band only Halogen Transformer only Spare Bulb For Halogen Headlight