... 2.cheap factory price 3.life span>50000 hrs 4.3 years warranty 5.energy saving&waterproof CHARACTERISTIC OF PRODUCTPower ... high efficiency, light wane long, longevity.Apply constant current, Waterproof Power Supply, Supply voltage 180-265VAC, 50/60HZ.Short starting ... ensures good heat dissipation, corrosion-proof, dust-proof, IP65 waterproof and shake-proof package size:375*358*190mmline diagram: