Thank you for contacting us. Please find the answers below. Thank you.
1. The cable connecting both the panel and the light fixture is 3 meters, with an option to purchase and additional 3 meter cable.
2. The kelvin range of this fixture will correlate to a bright white light.
3. Typically, if a portion of the fixture is to no longer operate, it will be the battery not the bulb. We do have access to replacements, we do not have this item directly on our website but we do have access to the batteries, you will just need to contact us directly at the time of needing a replacement.
4.This fixture includes Wall Mount Hardware for both the Light Head and Solar Panel