Why should the fun and learning stop just because the sun has set? Children who want to use their LeapPad, LeapPad Plus Writing or Quantum Pad after dark can snap on their LeapPad Light and keep playing! What a bright idea! It's perfect for use in the car, on a trip and before bedtime. Features: Automatic shut-off conserves battery life. Easily clips onto the LeapPad Learning System LeapPad Plus Writing Learning System or Quantum PadT. Four AA batteries required.