Key Features��Long service life ��Green and environmental protection ��High luminance and good stability ��Easy installation and rare replacement ��Uniformly distributed light and color. ��Great illuminating angle: 120�� or above ��Accurate constant-current driving with current fluctuation less than 1mA. ��Strict temp control: Temp up at work is below 20 degree. Overheat protection will automatically starts if the operating temp is more than 70 degree. ��Special circuit protection: The protection can prevent whole circuit from current overflow or unbalanced caused by single failed LED, saving the whole lamp. ��Integrative design of efficient heat radiation. ��Unique light distribution system is-with more uniform brightness.Technical Specifications Model DYB020H DYB030H DYB040H DYB050H DYB060H Power��W�� 20W 30W 40 50W 60W LED Amount 20PCS 30PCS 40PCS 50PCS 60PCS Input voltage 12V/24VDC 110V/220VAC Frequency 50HZ/60HZ Power factor 0.96-0.99 Power Efficiency 88%-91% Harmonic distortion <15 Luminous Flux 2200lm 3300lm 4400lm 5500lm 6600lm LED color temp White(warm/neutral/cool),Select before order. Working Temp. Rise ��15�� ��20�� ��20�� ��25�� ��25�� Ambient temp -30 to 40�� Centric illuminance 4M��22lux6M��12lux 4M��32lux6M��16lux 6M��28lx 8M��18lx 7M��28lux8M��20lux 6M��40Lux8M��22Lux Illuminate Range 15M 20M 15M 20M 20M 28M 26M 32M 22M 30M Pole Height 3-6M 3-7M 4-7M 5-8M 6-10M Service life >50000Hours Casing material Aluminum alloy die casting Moisture allowed ��95% Protection grade IP65 Product Size(mm) 606*250*128 606*250*128 606*250*128 606*250*128 606*250*128 Package(mm) 645*275*280/2pcs 645*275*280/2pcs 645*275*280/2pcs 645*275*280/2pcs 645*275*280/2pcs N.W.(kg) 3.2kg 3.2kg 3.2kg 3.2kg 3.2kg G.W.(kg) 3.6kg 3.6kg 3.6kg 3.6kg 3.6kg Remark 1.LED: High Power LED,1W/PCS,Chip Brand: EPISTAR, 110LM/W 2.For theLED Street light, still need Pole, PV Panel , PV mounting,Solar Charge Controller, Solar Battery and Battery Box. pls inquire while need.