Park & Sun Spectrum Precision Trainer by Park & Sun. $211.11. Improve your game with the Spectrum Precision Trainer from Park & Sun Sports. An adjustable and portable target trainer, the Spectrum Precision Trainer is excellent for volleyball, football, soccer or many other sports. Featuring a sturdy steel frame and telescopic, angle adjustable PVC two piece target and catch net that attaches to the target wth Velcro Straps. Improves precision in all types of pr...