LED Bulb

a. Power LED lamps shall have a nominal input voltage of 12V.
b. The Power LED lamps must ensure safe and reliable operation in the whole voltage range of -10% to
+ 25% of the nominal voltage (10.8 V to 15 V), and in the whole range of temperatures from -5� C to
+40� C. Beam angle from 120� to 180�.
c. The power consumption shall range starting from 2w.
d. The Power LED lamps must deliver at minimum a luminous flux of 35 lm to 90 lm respectively a
luminous efficiency of at least 80 lm/W (at 25 癈 ambient temperature).
e. The Power LED lamp must be protected against reversed polarity of the operation voltage.
f. Base shall be an E27 European screw base.
g. The emitted light shall be cool or warm white.
h. The wide angle shall be between 120� to 180�.