For general use, Alkaline AAA batteries are the most cost effective and provide good battery life. Lithium AAA batteries offer the best performance in cold weather, are the lightest, and last the longest but cost significantly more. Rechargeable batteries such as NiCad or NiMH should not be used as they do not provide sufficient and consistent voltage. Always use name brand batteries like Energizer or Duracell with a comprehensive warranty. The most sensitive VHF telemetry receiver available, providing the best tracking range possible. Compact and rugged one piece design allows for fulls size performance, and quick compatibility and maximum portability in the field
