This is the E-Z Command® Wireless Dynamis by Bachmann®. Suitable for Ages 8 & Older. FEATURES: Two-way wireless infrared operation Constant digital information updates of handset command to locomotive, and of locomotive performance back to handset Joystick control for locomotive selection and speed Programming on the main 9,999 locomotive addresses Supports 14, 28 or 128 speed steps Full CV programming Turnout and accessory control Easy-to-use backlit LCD screen Control of up to 40 locomotives at any one time (up to 21 functions per locomotive) Allows 40 consists of up to five locomotives each Universally compatible track connection Expandable modular design Four AA batteries included Suitable for all layouts, from trainsets to sophisticated railroads 2.3 am power supply Conforms to all applicable NMRA standard One year warranty Detailed instructions INCLUDES: Dynamis wireless infrared hadnset with backlit LCD screen Dynamis command station, including wireless infrared signal receiver Transformer tlw 3/31/08