The M8 PRO has a couple great upgrades from the M8 worth considering. 2K resolution (1440p) as well as a memory card that is 2x the size, for only $50 more than the M8. This is a great dash cam, at an exceptional price point. This camera is loaded with features : 1440p resolution, 64gb memory card (upgradable) ECO parking mode with radar (takes 90% less battery life than most dashcams) , GPS/speed antenna, voice commands, motion sensor, battery saving mode, impact sensors, a free wifi smartphone app, and more. An internal camera is also available for an additional $99
All M8 series dash cams recieve a 2 year warranty.
Typical installation labor for hardwire & setup, in most vehicles will be between $165-220 + tax