300 Yard Range (with clear line of sight).Track shot placement Blinks with last shot. Measure groups, calculate sight-in adjustments, mark shots, color shorts and more! View bullet impact on target immediately via your phone or tablet or computer. Rechargeable lithium-ion battery pack with charger (12hr run time). Compatible with free Bullseye Target Manager software package for iPhone, iPad, Android devices, windows XP, Vista, Windows 7 and Windows 8. Secure AmmoCan Style Carrying Case.