The Minelab Equinox 800 is a multi-purpose metal detector designed for use in a variety of applications, including coin and relic hunting, gold prospecting, and beach and shallow water hunting. Some key features of this metal detector may include:

1. Multiple frequencies: The Equinox 800 has multiple search frequencies, including a low frequency option for detecting larger objects and a high frequency option for detecting smaller objects.
2. Automatic ground balance: The detector has an automatic ground balance feature, which helps to eliminate false signals and improve sensitivity in a variety of soil types.
3. Waterproof design: The Equinox 800 is waterproof and can be used in wet or underwater conditions.
4. OLED display: The detector has an OLED (Organic Light-Emitting Diode) display, which provides clear and easy-to-read information about the detected target and the search settings.
5. Rechargeable battery: The detector has a rechargeable battery, which allows you to use it for extended periods of time without the need to replace batteries.
6. Multiple modes: The Equinox 800 has several search modes, including a coin mode, a relic mode, and a gold mode, allowing you to customize the detector’s settings to suit your specific search goals.