Here is my review for your product:

Pros:

• Very great tool for disability
• Help people communication
• Can alert the deaf when they are sleeping
• Can make them more safe

Cons:

• Nothing for this product

My comment:
I like this. It can save the deaf's life!

For this product, I like to mark it as
8.7/10

Good work on hunting, thank for bring us a good product

(Please noted that it is my personal opinion only)