... is more stable and long life-span.3, With high power LED chips. 1Watt/chip, Luminous efficacy is over 100lm/W ... nuts, almost can be suitable for all auto.8, Overtemperature automatic protection function. When environment temperature is more than 45 degree ... availably. Parameters and other details:1, Voltage: DC9V-14V.2, Power: 6Wx2, total 12W/pair.3, Lifetime: over 30,000 hours ...