... illuminating angle: 120° or above 4.Accurate constant-current driving with current fluctuation less than 1mA. 5.Strict temp control: ... single failed LED, saving the whole lamp. 7.Integrative design of efficient heat radiation. 8.Unique light distribution system is-with more ... /PCS,Chip Brand: EPISTAR, 110LM/W 2.For the LED Street light, still need Pole, PV Panel , PV mounting,Solar Charge Controller, ...