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    • They use a light sensor to charge during the day and activate after ambient light falls below the sensor threshold. Some models also combine dusk-to-dawn operation with motion detection, timers, or remote-controlled modes.
    • Confirm the main switch is on, remove any battery tab, allow a full sunny-day charge, clean the panel, and make sure porch or street lighting is not shining directly on the sensor.
    • Yes. Strong artificial light can make the sensor interpret the area as daytime. Reposition the fixture or panel so the sensor faces away from porch, landscape, or street lights.
    • Dusk-to-dawn mode provides continuous or scheduled nighttime light. Motion modes conserve energy by increasing brightness only when movement is detected. Standby brightness, trigger duration, and range vary by model.
    • Aim for about 6–8 hours of direct sunlight with the panel facing an open part of the sky. Shade, dirt, winter conditions, and prolonged cloud cover can reduce charging and runtime.
    • Some models support all-night low or medium output, while others prioritize motion-triggered brightness. Runtime depends on the selected mode, battery size, solar exposure, and motion activity.
    • Keep both surfaces clean and unobstructed, trim nearby plants, remove snow and debris, and periodically test the light in darkness to confirm the selected mode operates correctly.