This RS PRO solar power meter is compact and handheld tester with a rugged design, ideal for when working in harsh environmentsThe built-in digital multimeter feature measures continuity, voltage, resistance and electrical current with accurate and reliable readings for the best performanceThe digital LCD screen clearly displays results that are easy to read while the device is in useIn addition to this, the dual-function solar power meter offers an auto-power off function after being left idle for 15 minutes, as well as a low battery indicator for easier battery life managementThe solar detector unit is connected to the meter using a cord so that it is flexible in movement when detecting sunlight and comes with a protective cap to cover the sensor when it’s not in use