led world 50W High Power LED 730-740nm Lamp Infrared IR Light Quantity: 1 pcs 50w 730-740nm led Power: 50W Emitted Color: Infrared IR 730-740NM DC Forward Voltage (VF): 17V~21V DC Forward Current (IF): 1700-1750mA Radiant Power: 1000-1500mW Note:Extra heat sink equipment is required for this LED