The JC10 10 Watt - 12 Volt - G4 Base - Bi-Pin Lamp is a set of 8 clear glass bulbs with a warm white color temperature of 2500-3000K. They have a beam angle of 180 degrees or above and a brightness of 200-399 lumens. These bulbs have a T Type and JC shape, with a 2 pin connector and a bulb life of 2500 hours. They can be used both indoors and outdoors and are manufactured by Plusrite.