Powerful 2-speed push button controller with single plug-in jack Velvet-Cote™ slim line bullet ABS with silver plating (controller) Velvet-Cote™ (PU cote) (bullet) 2 AA batteries 4.5”x 1.75”/11 cm x 4 cm (controller) 2.2”x .6”/6 cm x 2 cm (bullet)