Rebaydo 2pcs Festoon 9 SMD 5050 LED Bulb 12 VDC 1 and 3/4 Inches or 41 mm features 9 forward firing 5050 SMD LED chips and operates on 12 Volt DC. Available in super white, red, yellow, and blue, this LED bulb measures 1.73 inches in overall length, 0.61 inches in overall width, and 0.41 inches in total thickness with a contact diameter ranging from 0.33 to 0.41 inches. Current draw at 13.5 Volts DC is 54 mA for white, 122 mA for red, 66 mA for yellow, and 75 mA for green and blue. It is compatible with bulbs using reference numbers 560, 569, 578, 211, 212, 212-2, 2122, 214-2, 2142, 6413, 6429, DE3021, DE3022, DE3175, DE3425, DE4410, and 12844.