1, Source: 9/24/27/48 TOP LED 2, Lower voltage: DC 24V3, Driver: inner equipped constant current driver4, Power consumption: 3W-11W5, Lumens:100-130LM6, Color : daylight white (5000-7000k) warm white(2700-3500k)7,Useage: can be connected with one another8.Length: 20/50/60/100cm