This is a lighted needle threader. The perfect ergonomic needle threader that reduces eyestrain. Threads needles easily with spring loaded threader. LED lighting for better visibility. Soft touch ergonomic handle. Great for sewing machines and hand needles. Threader measures 4-3/4 by 1 by 5/8-inch and requires 3 LR1130 1.5v batteries (batteries are included). Imported.