Product details: Energy-saving: more than 70% 4 x 6 LEDs module design Convenient for maintenance LED type: original American Cree or Phillips luminous Universal input voltage: 85 to 300V AC Light control and time-phase dimming, saving further energy High-quality power supply, reliable and stable, automatically reduce current against over-heating temperature Unique optical design and rectangular beam, suitable for roadway illumination Main technology index: Equivalent: 70W high-pressure sodium lamp LED light source: 24 pieces of 1W Cree/luminous rebel LEDs LED luminous efficiency: 107 to 122lm/W Lamp total rated power: 30W Power efficiency: >86% Lamp rated luminous flux: >2,200lm Lamp rated luminous efficiency: >75lm/W.