Exceptionally handy for keeping an eye on your solar installation, generator, battery banks, and more. Totally self-contained, so wiring is a breeze, and it's powered from the DC power you're monitoring. Suitable for solar systems up to approximately 40kW (must not exceed 200A). Provides details on power, voltage, and current, as well as aggregation of power throughput (which can mean generation or usage depending on your installation) with an easy reset function. Bright blue backlit display provides easy reading in any lighting conditions.