RECHARGEABLE DOCKING STATION - With six hours of playtime and a simple 1-2 hour charging system, it's never been easier to grab a blaster and join in the fun; a compact design makes it easy to store when the game is done. NO VESTS NEEDED - Every blaster doubles as an infrared receiver with a built-in vibration system to help you track every hit; no need to keep track of your vest or other bulky accessories. FUN WITH FAMILY & FRIENDS - Face off in an epic blast bonanza with this fully interactive set designed with infrared receivers and light emitters that are fun and help reduce the mess after playtime. ULTIMATE TEAM-BASED GAME - Choose between Single, Laser, Repeating, or Plasma Blaster modes, each with different strength levels and number of shots per recharge. Add even more players by purchasing our compatible blasters. INTERACTIVE LIGHTS & SOUNDS - Each mode produces corresponding sounds, while the blasters light up and vibrate in response to indicate each player's health. DIMENSIONS. Blaster Dimensions - 11.75(L) x 6.75"(W) x 2.25"(Thick) Docking Station Dimensions - 10.75"(L) x 6.25"(W) x 2.5"(H) Power Adapter Length - 55.5"(L) Product Weight - 4 lbs. SPECIFICATIONS - Material - Plastic. Recommended for ages - 8+ Years. Includes - (4) Infrared Blasters, Charging Station, Power Adapter. No Assembly Required. For Residential Use Only. ASTM-certified. "