Came with the product.
Warning:
Do not use this product if you are
- A child under the age of 12.
- Immobile or incapacitated.
- Diabetic or insensitive to heat.
- Anyone who cannot clearly understand the instruction and/or operate the controls.
It’s the last one that really rings out.
Jnana's Red Barn 
Don’t see how they can make the last one stick.
And that’s why they get the big bucks anyway.