If anyone is looking for a much cheaper alternative to this very impressive device for the sole purpose of typing or writing in daylight, I made a mobile app yo

If anyone is looking for a much cheaper alternative to this very impressive device for the sole purpose of typing or writing in daylight, I made a mobile app you can use in conjunction with a Kindle or other e-reader: https://solarwriter.msol.io https://solarwriter.msol.io