Let there be light captcha | Custom difficulty

Hi everyone,
I’m in love with Let there be light captcha. On my new phone, though, the light setting in my bathroom is not enough (reads only 70 lux by Poco X3) to trigger the captcha. I have to hold it near the light bulb to stop the alarm. Wouldn’t it be nice to add a custom difficulty option for the lux level or more diverse difficulty levels?