Super Bright: More than 2200 lumens output, 20w low power consumption. Please note that we have a brand new upgrade. If you need to connect new and old products, make sure to use the new male-female connector cables. The second generation is designed to be safer, preventing accidental electrical connections caused by human error Linkable: Extendable design, could connect up to 8 tube lights together with seamless connectors or 20" connector cords. Compatible with Barrina GM Series Cords