This is a High power LED Chip 50W Cool White Light Product, The material of this product is the two Gold Wires, Copper Brackets and "Epistar" chips, so its performance is excellent, it has a high brightness and long working life. We promise our LED chips are 100% enough Power, Our LED Chips will work more than 50000 hours if the working temperature is less than 60°. 
<br />50W Cool White (10000K-15000K) 
<br />The voltage is 32V-34V,
<br />The current is 1500mA-1700mA.
<br />The Lumens is 4500LM-5000LM.
<br />Thank you.