This fun and informative 81 page e-guide will help you understand what makes the Blade mSR & 120SR tick. It gives you all the information needed in a clear and concise way to get the most out of the Blade mSR/120SR RC helicopter while saving time, money, and frustration. This e-guide contains over 50 actual photos to help you out along the way with the many tips, procedures, and examples.