The Nerf Pro Sender Half-Length Semi Automatic Dart Blaster is a high-performance dart gun designed for intense Nerf battles. With a firing velocity of 150 feet per second, this blaster delivers rapid semi-automatic firing action. It requires 8 AA batteries to power its operation and is recommended for individuals aged 14 years and up. The product dimensions are 2.64 x 17.99 x 10.51 inches, making it compact and easy to handle during play. This Nerf blaster is sure to provide an exciting and competitive edge to any outdoor or indoor Nerf battle.