WowWee REV Deluxe (2 cars, ramp and recharge kit) Unsurpassed multiplayer and AI battle experience. Limitless App-based gameplay. Two R.E.V.'s in each pack for outof-box action MOBILE APP- Connect to R.E.V. via BLE connection; Multiple battle and game modes Compatible with iOS and Android devices Includes 2 cars, 1 ramp and recharge kit Requires: 8 "AA" and 3 "AAA" batteries; not included