Freddy Connect™Dual Trace Swing Trainer - Electronic Golf Swing Trainer Used/Tested. NO BATTERY.  In good, used condition with no damage or missing parts. No corrosion in the battery compartment. The instruction booklet, swing direction right hand golfer card, 2 hex keys and VHS tape are all included.  Use your own clubs and learn to golf like a pro with this system.  Anywhere you can swing a golf club you can use it.  Questions, don't hesitate to ask. Thank you.