Working temperature range and environmental adaptability

I want to know the working temperature range and environmental adaptability of each board of our ROCK PI, where can I find it?

The equipment must be stable and easy to use, durable enough to handle heavy load, and accurate enough to provide accuracy at different working range of temperatures.

It’s 0 to 50 degree for all the ROCK SBC, except the CM3 Industrial, which is designed to work at -25 to 85 degree.