You are bidding on One High Power IR LED. It recommends to use a proper LED driver, heatsink.

High power IR Bright LED
Emitted Color:Infrared IR
Lens Color:Water Clear
Viewing Angle:120-140°
Wave Length:760nm-1050nm for your choice.
Output:50W
DC Forward Voltage(VF):
760-770 nm:19-21V
800-810 nm:19-21V
970-980 nm:19-21V
1000-1050 nm:19-21V
DC Forward Current(IF):1600-1700mA

Attention: The listing just include led, not include driver, and the item need proper 
driver and heatsink to make it work.