Advantage:
(1). small volme, Dia80*149mm, normal 50w Led street has three times volume of this.
(2). high power, 20w, 30w, 40w, 50w. Adn will develop higher in future, 70w and 80w.
(3). Built in Nano fan make the heat dissipation well, and can ensure the lifespan of bulbs.
(4).High lumen, wide beam angle, 210 degree.