This Arcon halogen multi purpose light bulb is clear and is sold in pairs.

• 12 volt/20 Watt 
• Dimensions: 0.36 inch diameter and 1.2 inch length
• Consumes less power which reduces drain on the battery 
• Lasts up to 25 times longer than incandescent bulbs (by most estimates) 
• Operates well in extreme temperatures and is not affected by power fluctuations