Includes 16 super bright and energy saving LEDs . The magnifier is on a flexible neck that gives you 2.5X(6D) and 4X(12D) magnification. The 3 adjustable helping hands clips allow for precise positioning and secure grip on your work. The magnifier is powered by either 4 AA batteries or external power adapter. The set includes solder spool brackets, soldering iron holder, cleaning sponge, brass tip cleaner and solder flux. 4 lbs (1.5Kg) shipping weight.