... /chip, Luminous efficacy is over 100lm/W. High brightless and energy saving.4, Reverse polarity protection ... delicate, easy to install, with 4 screws and 4 nuts, almost can be suitable for all ... protect the LED without damage, and when environment temperature and voltage is normal, the lamp ... and other details:1, Voltage: DC9V-14V.2, Power: 6Wx2, total 12W/pair.3, Lifetime: over 30,000 hours.4, Beam ...